The living is merely a type of what is dead, and a very rare type.

Not joy is the mother of dissipation, but joylessness.

So far there has been no philosopher in whose hands philosophy has not grown into an apology for knowledge; on this point, at least, every one is an optimist, that the greatest usefulness must be ascribed to knowledge. They are all tyrannized over by logic, and this is optimism in its essence.

Discontent is the seed of ethics.

Are you genuine? Or just an actor? A representative? Or what it is that is represented?-In the end, you might merely be someone mimicking an actor ... Second question of conscience.

It is nobler to declare oneself wrong than to insist on being right --especially when one is right.

To have and to want more that is life.