A Review of "Free Will" by Sam Harris

Last year I took a group of high school students to UC Berkeley to interact with skeptics. After spending an evening with S.A.N.E (Students for a Non-religious Ethos), I found myself in a conversation with an undergraduate student about the existence of free will. She told me that she recently embraced determinism and rejected free will.

In response to my query about why she changed her mind, she appealed to genetics, background forces, and environmental factors. In other words, she believed there is no free will because external forces determine beliefs. What she didn’t realize was that the justification she offered for her belief in determinism undermined her deterministic beliefs. She believed that she had evaluated the evidence and embraced the position -- determinism -- that is most logical. And yet if determinism were true she would have been incapable of evaluating evidence and freely following the logic because all her choices were already set. Logically speaking, her position was self-refuting. In other words, she sawed off the branch she was sitting on.

Sam Harris makes the exact same mistake in his recent book Free Will (Free Press, 2012). He denies the existence of free will, but like this girl, his arguments undermine this very position. Before offering my critique, let me briefly clarify his views.

After rightly emphasizing the importance of the question of free will, Harris concludes, “Free will is an illusion” (p. 5). According to Harris, we are not the conscious source of our actions and we could not have behaved differently in the past than we did. He says, “I, as the conscious witness of my experience, no more initiate events in my prefrontal cortex than I cause my heart to beat” (9). “In physical terms,” says Harris, “we know that every human action can be reduced to a series of impersonal events” (27).

Harris rightly points out that there are three main approaches to the problem of free will and determinism: determinism, libertarianism, and compatibilism. He then says, “Today, the only philosophically respectable way to endorse free will is to be a compatibilist” (16). But if determinism were true, as Harris asserts, why would any position be philosophically unrespectable? After all, people are determined to hold their beliefs—whether compatibilist, libertarian, or determinist—by forces outside of their control. Why would he bother to critique other positions if the people who hold them couldn’t have believed differently? In fact, his critique is just the result of chemicals moving in his brain, so why do they matter? What makes his chemicals more respectable than others?

Later in the book Harris says that giving up free will (and becoming more aware of the background causes of our feelings) allows people to have greater creative control over their lives. “Getting behind our conscious thoughts and feelings,” says Harris, “can allow us to steer a more intelligent course through our lives” (p. 47). Do you see the contradiction? The idea of “steering” a more intelligent course through life, of course, has no meaning in a deterministic world. On Harris’ view we can’t steer anything! The belief that we can steer our lives is an illusion. All of our beliefs and behavior are entirely the result of forces outside our control. In one breath Harris says all our beliefs are determined, but then in another breath he speaks about steering the course of our lives. Which is it?

Here are some other brief comments in Free Will that puzzle me.

  • Harris critiques the idea of an immortal soul as one of the cruelest concepts in history (p. 56). Yet if his deterministic views are correct then people who embrace the soul were determined to do so and could not have believed differently. Why bother to critique then? He might as well critique water for boiling at 100˚ C.
  • He says that dispensing with the idea of free will allows us to focus on things that matter most—assessing risk, protecting the innocent, and deterring crime (p. 53). He seems to be implying that we ought to accept his deterministic views for the betterment of mankind. Yet again, if determinism is true then we can’t change any of our beliefs—we can’t freely follow his logic since our beliefs are already set. The very fact that he argues for his position undermines his stated belief in determinism.
  • Harris offers a mild critique of conservatives who seem to have no compassion for orphans or those born with clubbed feet (p. 62). But if his deterministic views are correct they couldn’t help it. Conservatives are forced to believe this because of their parents, genes, and environment (as are liberals). Again, why is he bothering to critique them?

There are many more inconsistencies throughout Free Will, but the point should be well stated—Harris argues against free will, yet all of his arguments rest upon the existence of free will.

Harris raises important issues related to the free will debate, and I would recommend it to anyone who wants a naturalistic view of human behavior. But the problem is that he doesn’t take his views far enough. For example, in the conclusion he says, “The illusion of free will is itself an illusion” (p. 64). He’s right. If determinism is true, then the belief in free will is an illusion. But why stop at the belief in free will? It would seem to follow logically that all our beliefs are illusions if determinism is true. In fact, the belief that “the illusion of free will is itself an illusion” is itself an illusion…and so is the rest of the entire book.


I, too, believe that God predetermines everything. But he does so in a manner consistent with man's free choices for evil or good (as enabled by God, Himself). As the Westminster Confession says:

"God from all eternity, did, by the most wise and holy counsel of His own will, freely, and unchangeably ordain whatsoever comes to pass; yet so, as thereby neither is God the author of sin, nor is violence offered to the will of the creatures; nor is the liberty or contingency of second causes taken away, but rather established."

The difference between Christian "determinism" and atheist determinism is that the Christian sees God's eternal decree, working through man's willing choices, as the ultimate cause of all actions. The atheist sees random chemical reactions as the ultimate cause.
free will?
Man Rules, God Overrules!

Many are the plans in the mind of a man, but it is the purpose of the Lord that will be established.
Proverbs 19:21

Zechariah had no choice;
God came and took his voice.
Mad Saul, he darest not fight
Once blinded by the light!
Jonah went astray;
A fish came Jonah’s way.
Nimrod tried a tower;
Language turned plans sour;
Pharoah played his part
With a heaven-hardened heart.
Judas’ miserable mission
Fulfilled divine commission;
They crucified our Lord
As foretold in God’s Word.
Peter denied the Master;
The cock crowed his disaster.
God will do His pleasure;
His counsel metes the measure.
Man may have his plans;
But God’s will, it commands!

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