Philosophy Quotes

There is nothing permanent except change.

I think, therefore I am.

The unexamined life is not worth living.

The only true wisdom is in knowing you know nothing.

I think; therefore I am.

A man is but the product of his thoughts. What he thinks, he becomes.

Man is what he believes.

The only journey is the one within.

Men are disturbed not by things, but by the views which they take of them.

The mind is its own place, and in itself can make a heaven of hell, a hell of heaven.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Man is the measure of all things.

Entities should not be multiplied without necessity.

The life of man is of no greater importance to the universe than that of an oyster.

There is but one truly serious philosophical problem, and that is suicide.