Well I am certainly wiser than this man. It is only too likely that neither of us has any knowledge to boast of; but he thinks that he knows something which he does not know, whereas I am quite conscious of my ignorance. At any rate it seems that I am wiser than he is to this small extent, that I do not think that I know what I do not know.

Once made equal to man, woman becomes his superior.

Think not those faithful who praise all thy words and actions, but those who kindly reprove thy faults.

They are not only idle who do nothing, but they are idle also who might be better employed.

Life contains but two tragedies. One is not to get your heart's desire; the other is to get it.

A system of morality which is based on relative emotional values is a mere illusion, a thoroughly vulgar conception which has nothing sound in it and nothing true.

Wars and revolutions and battles are due simply and solely to the body and its desires. All wars are undertaken for the acquisition of wealth; and the reason why we have to acquire wealth is the body, because we are slaves in its service.

There is only one good -- knowledge; and only one evil -- ignorance.

Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.

Fame is the perfume of heroic deeds.