I feel exhausted if I teach too long.

Even when laws have been written down, they ought not always to remain unaltered.

In matters of conscience, the law of the majority has no place.

We praise a man who feels angry on the right grounds and against the right persons and also in the right manner at the right moment and for the right length of time.

A small body of determined spirits fired by an unquenchable faith in their mission can alter the course of history.

No religion has mandated killing others as a requirement for its sustenance or promotion.

The most incomprehensible thing about the world is that it is comprehensible. 

It is strange to be known so universally and yet to be so lonely.

I think really, China, Chinese, I think they really have a long history of civilization, rich culture.

It is only so long as a man can retain the child in him that life can be free from those dark shadows which leave inevitable furrows on a man’s forehead.

The value of an idea lies in the using of it.

Happiness is when what you think, what you say, and what you do are in harmony.