When our brain feels too weak to deal with our opponent's objections, our heart answers by casting suspicion on their underlying motives.

You have not yet suffered enough! For you suffer only from yourselves, you have not yet suffered from man.

You know a moment is important when it is making your mind go numb with beauty.

Of all that is written, I love only what a person hath written with his blood.

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.

You lack the courage to be consumed in flames and to become ashes: so you will never become new, and never young again!

He who cannot command himself should obey. And many can command themselves, but much is still lacking before they can obey themselves.