"Every serious-minded person knows that a large part of the effort required in moral discipline consists in the courage needed to acknowledge the unpleasant consequences of one's past and present acts."

"Social engaged intellectuals must accept reality as they found it and shape it toward positive social goals, not stand aside in self-righteous isolation."

"Intellectually, religious emotions are not creative but conservative. They attach themselves readily to the current view of the world and consecrate it."

"We cannot seek or attain health, wealth, learning, justice or kindness in general. Action is always specific, concrete, individualized, unique."

"The self is not something ready-made, but something in continuous formation through choice of action."

"Education is life itself."

"Get the facts, or the facts will get you. And when you get them, get them right, or they will get you wrong."

"The trouble with facts is that there are so many of them."

"Let us take things as we find them: let us not attempt to distort them into what they are not. We cannot make facts. All our wishing cannot change them. We must use them."

"Where facts are few, experts are many."

"If the facts don't fit the theory, change the facts."

"Get your facts first, and then you can distort them as much as you please."