To scorn philosophy is truly to philosophize.

If we dreamed the same thing every night, it would affect us much as the objects we see every day. And if a common workman were sure to dream every night for twelve hours that he was a king, I believe he would be almost as happy as a king who should dream every night for twelve hours on end that he was a common workman.

We must kill them in war, just because they live beyond the river. If they lived on this side, we would be called murderers.

From whence comes it that a cripple in body does not irritate us, and that a crippled mind enrages us? It is because a cripple sees that we go right, and a distorted mind says that it is we who go astray. But for that we should have more pity and less rage.

People are generally better persuaded by the reasons which they have themselves discovered than by those which have come in to the mind of others.

What a difficult thing it is to ask someone's advice on a matter without coloring his judgment by the way in which we present our problem.

There are two equally dangerous extremes-to shut reason out, and to let nothing else in.