The success of any great moral enterprise does not depend upon numbers.
People are more moral than they think and far more immoral than they can imagine.
Younger scientists are extremely sensitive to the moral implications of all they do.
Happiness and moral duty are inseparably connected.
There are no moral phenomena at all, but only a moral interpretation of phenomena.
Wisdom, compassion, and courage are the three universally recognized moral qualities of man.
Let us be moral. Let us contemplate existence.
Man's motive power is his moral code.
Individual rights are the means of subordinating society to moral law.
There can be no compromise on moral principles.
The purpose of morality is to teach you, not to suffer and die, but to enjoy yourself and live.