While economics is about how people make choice, sociology is about how they don't have any choice to make.

Be isolated, be ignored, be attacked, be in doubt, be frightened, but do not be silenced.

I cannot escape from the conclusion that the great ages of progress have depended upon a small number of individuals of transcendent ability.

The newspapers at one time said that I was dead but after carefully examining the evidence I came to the conclusion that this statement was false.

We do not like to be robbed of an enemy; we want someone to hate when we suffer. It is so depressing to think that we suffer because we are fools; yet, taking mankind in the mass, that is the truth.

How about Pithecanthropus Erectus? Was it really he who ate the apple? Or was it Homo Pekiniensis?

What will be the good of the conquest of leisure and health, if no one remembers how to use them?