Tag Archives: logic

How Can Christians Claim that Their Faith Is Rational? 

Agnostics, atheists, and adherents of other religions often disparage the “contradictory” doctrines of the Christian faith as reason to reject it. They imply that a true religion or worldview would be free of such complications.

Christians agree that real contradictions imply real falsehood. A proposition cannot be true and not true at the same time. No worldview should be based on irrationalism. But statements that seem contradictory may not really be. Sometimes an apparent contradiction is merely an illusion of language. In other cases, ideas that seem contradictory on the surface assert a truth that we can’t fully understand given the present state of our knowledge. They represent a mystery that, while not irrational, permits analysis only to a certain point. They underscore the limitations—either temporary or permanent—of human thought. The word that is usually used to refer to such seeming contradictions is paradox.

The American Heritage Dictionary defines paradox as “a seemingly contradictory statement that may nonetheless be true.” Regardless of one’s worldview, a number of basic paradoxes exist that no one has yet resolved. Let’s take a look at three of them.

Paradox one: freedom and determinism. 1 If we look at human behavior through the empirical eyes of science, it seems to be shaped by genetic and environmental influences. On the other hand, meaningful human experience and relationships depend on our freedom to choose, 2 as does our way of dealing with one another legally and morally in everyday life.

Paradox two: the “ghost in the machine” (dualism). What is the connection between mind and matter? When I consciously decide to take a physical action (stand, lift my arm, move my pen), what is the connection between my thoughts and the physical actions they command? The greatest philosophical and scientific thinkers have struggled with this problem for hundreds of years. So far they have failed to come up with a convincing model that explains how mind influences matter.

Paradox three: the “anthropic universe.” Scientists have observed that the universe is not only fantastically complex, but that it appears to have been designed specifically to permit the development of life and consciousness, even human self-consciousness—thus “anthropic.” The universe clearly seems to be designed by a Creator, yet no Creator imposes Himself upon us or makes His presence obvious. Just as the paradox of dualism acknowledges that my ability to “will” my arm to reach out and grasp the handle of a coffee cup is mystery, the paradox of the anthropic universe acknowledges that although it seems there must be a Creator, His identity and manner of interacting with the universe are unknown.

All of the so-called “contradictions” of Christian theology are reflections of these and other basic paradoxes of reality with which every thinking person must contend. Every worldview has to deal with the underlying paradoxes (or apparent contradictions) of human experience. Some do better than others.

Atheists, for instance, must live as though their lives and relationships are meaningful, while at the same time maintaining that the universe is a gigantic accident with no ultimate purpose.

Pantheists—including Hindus, New Agers, and neo-pagans—have a worldview that denies any ultimate distinction between good and evil. Still, like everyone else, they are faced with real moral decisions.

Honest, perceptive people don’t expect to find a worldview that contains no paradox or apparent contradiction. Instead, they look for a worldview that is most faithful to the laws of logic while maintaining fidelity to the depth, wonder, and mystery of reality.

At least two and a half millennia have passed since the book of Job was written, but its wisdom still rings true today:

The Lord answered Job out of the whirlwind: “Who is this who darkens counsel by words without knowledge? Now prepare yourself like a man; I will question you, and you shall answer Me. Where were you when I laid the foundation of the earth?” (Job 38:1-4).

  1. Dr. Bill Hodges, a remarkable American medical missionary in Haiti,was also a skilled amateur archeologist and philosopher. He summarized the paradox of determinism and free will this way:

    As any college student knows, the argument about freedom and determinism goes back many centuries. The Westerner has been mightily tempted to regard all freedom—as does the pagan—as an illusion. There really isn’t any. Whether the universe may be regarded as the capricious whims of the spirits, or as the meaningless inter-reaction of electrical charges, it would seem that there is only a senseless destiny in which man and his “will” are merely phenomena of the system. Strangely enough, however, all Western culture conceives of human freedom as real, and the social structures presuppose it . . . .

    Our institutions assume that the human being has a choice: He can obey the law, or he can commit a crime. Our philosophy, on the other hand, is inclined to the view that the crime itself was mediated by dozens of factors ranging from birth injuries to parental neglect,and that therefore the crime is only an inevitable consequence of those factors over which the criminal has no control. The historian, the anthropologist, or the biologist may trace the various meanderings of human history and believe that all events are mediated by a determinism . . . be it economic, cultural, or revolutionary, . . . but subconsciously they believe that they are describing “truth,” and that in some mysterious way their analysis is not subject to the same rules.  Back To Article

  2. The school of behavioral psychology insists that if we are the product of a purposeless evolutionary process, it’s logical to conclude that what seems to be choice is merely an illusion. For these people, free will doesn’t really exist. They consider it to be an “epiphenomenon of consciousness,” that is, only a superficial sensation of freedom that conceals a deeper determinism, a determinism in which we only appear to choose things that our genes and our environment have already selected for us. It seems that this would be an uncomfortable thought for most people, one that is in direct contradiction to human experience. In fact, wouldn’t it have the potential to drive a sensitive atheist mad? Back To Article
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Can I Depend on Logic to Lead Someone to Faith?

Thinking that logic alone can lead someone to faith is like thinking logic can convince someone that something is beautiful. Imagine driving through Navajo country in the southwest United States with a friend who considers the exquisite landscape just a barren wasteland. Would logic convince him that the landscape is beautiful? For every reason you give to demonstrate its beauty, your friend will counter with a reason for thinking it ugly. You perceive beauty; he doesn’t. Mere logic isn’t going to change his mind.

Some of the most important things in life transcend logic. No one can devise a logical proof for faith, beauty, or love. If we attempt a “proof” for them, we will be farther from understanding them than when we started. Such things are perceived by more than just our minds. They are perceived by something more profound than mere intellect.

The Bible refers to the center of the human personality as the “heart,”1 and specifically designates it as the place of faith (Mark 11:23;  Luke 24:25; John 14:1; Acts 8:37; Romans 10:9 ). This doesn’t mean that faith is irrational. Faith can be philosophically and logically defended. But a logical defense of faith is as far from experiencing it as a verbal description of the flavor of strawberries is from their taste in the mouth. The heart includes the function of the mind, but transcends it. The inclination of peoples’ hearts, not their intellectual powers, determines whether they will move in the direction of faith or unbelief. Jesus made this clear:

“Everyone who does evil hates the light, and will not come into the light for fear that his deeds will be exposed. But whoever lives by the truth comes into the light, so that it may be seen plainly that what he has done has been done through God.” (John 3:20-21 NIV)

Hatred of truth causes unbelievers to use their rational powers to reject it. Hatred of truth occurs in their hearts. Their rationalizations for rejecting it are the consequence—not the cause—of their hatred.

This, too, is why the writer of Hebrews declares:

Without faith it is impossible to please God, because anyone who comes to Him must believe that He exists and that He rewards those who earnestly seek Him. (Hebrews 11:6 NIV)

The existence of God—like the existence of love and beauty—can be logically described. But it cannot be logically proven to someone who doesn’t want to believe. Belief in these things requires openness of the heart. While logic can be used to provide evidence for the truth, it can also be used to rationalize evil. Ultimate choices are not only decisions of the mind but also matters of the heart, where logic is only a tool for fashioning a life of truth and goodness, or illusion and evil.

  1. In the Bible, the term heart refers to the “whole man, with all his attributes, physical, intellectual, and psychological.” (New Bible Dictionary) The meaning of mind, in contrast, is usually limited more specifically to mental abilities.
    So the term heart refers to the governing center of man, that part of him that is often referred to with such terms as character, personality, will, and mind. Heart is therefore a broader and more inclusive term than mind. In the New Testament, heart is fundamentally synonymous with personBack To Article
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