It is a silly question to ask a prostitute why she does it ... These are the highest-paid 'professional' women in America.

My research offers impressive evidence that we feel better when we attempt to make our world better...to have a purpose beyond one's self lends to existence a meaning and direction - the most important characteristic of high well-being.

Changes are not only possible and predictable, but to deny them is to be an accomplice to one's own unnecessary vegetation.

Being a pathfinder is to be willing to risk failure and still go on.

Democratization is not democracy; it is a slogan for the temporary liberalization handed down from an autocrat. Glasnost is not free speech; only free speech, constitutionally guaranteed, is free speech.

Growth demands a temporary surrender of security.

If we don't change, we don't grow. If we don't grow, we aren't really living.