"A scientist may not be sure of the answer, but he's often sure he can find one. And that's a condition which is clearly not enjoyed by philosophy."

"The only way to tell if a person is honest is to observe their behavior."

"The consequences of behavior determine the probability of its recurrence."

"When you have a choice to make, but you don't make it, then that is a choice in itself."

"Democracy is a technique for preserving freedom, but it is not necessarily the best technique."