“Feelings are not supposed to be logical. Dangerous is the man who has rationalized his emotions.”

“The most likely way for the world to be destroyed, most experts agree, is by accident. That's where we come in; we're computer professionals. We cause accidents.”

“Freedom is that instant between when someone tells you to do something and when you decide how to respond.”

“It should be noted that no ethically -trained software engineer would ever consent to write a DestroyBaghdad procedure. Basic professional ethics would instead require him to write a DestroyCity procedure, to which Baghdad could be given as a parameter.”

“Feeling insignificant because the universe is large has exactly the same logic as feeling inadequate for not being a cow.”

“Fanaticism is the opposite of love,’ I said, recalling one of Khaderbhai’s lectures. A wise man once told me—he’s a Muslim, by the way—that he has more in common with a rational, reasonable-minded Jew than he does with a fanatic from his own religion. He has more in common with a rational, reasonable-minded Christian or Buddhist or Hindu than he does with a fanatic from his own religion. In fact, he has more in common with a rational, reasonable-minded atheist than he does with a fanatic from his own religion. I agree with him, and I feel the same way. I also agree with Winston Churchill, who once defined a fanatic as someone who won’t change his mind and can’t change the subject.”

“Societies would _not_ be better off if everyone were like Mr Spock, all rationality and no emotion. Instead, a balance - a teaming up of the internal rivals - is optimal for brains. ... Some balance of the emotional and rational systems is needed, and that balance may already be optimized by natural selection in human brains.”