Don't depend on governments or corporations to fix problems. Social revolutions are led by passionate individuals and that's what makes the difference.

In each age there is a series of pressing questions which must be asked and answered. On the correctness of the questions depends the survival of those who ask; on the quality of the answers depends the quality of the life those survivors will lead.

Man's most human characteristic is not his ability to learn, which he shares with many other species, but his ability to teach and store what others have developed and taught him.

We — mankind — stand at the center of an evolutionary crisis, with a new evolutionary device — our consciousness of the crisis — as our unique contribution.

It is typical, in America, that a person's hometown is not the place where he is living now but is the place he left behind.

We must have...a place where children can have a whole group of adults they can trust.

We must recognize that beneath the superficial classifications of sex and race the same potentialities exist, recurring generation after generation, only to perish because society has no place for them.