moral philosophy quotes

Adultery is the application of democracy to love.

I am an Epicurean. I consider the genuine (not the imputed) doctrines of Epicurus as containing everything rational in moral philosophy which Greek and Roman leave to us.

One of the great questions of philosophy is, do we innately have morality, or do we get it from celestial dictation? A study of the Ten Commandments is a very good way of getting into and resolving that issue.

What can I know? What ought I to do? What can I hope?

Always recognize that human individuals are ends, and do not use them as means to your end.

Of two evils, choose neither.

The fact is that a man who wants to act virtuously in every way necessarily comes to grief among so many who are not virtuous.

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.

Of what use is a philosopher who doesn’t hurt anybody’s feelings?

I believe it is universally understood and acknowledged that all men will ever act correctly, unless they have a motive to do otherwise.