The likeness of the world? A shadow! And world's glory? A dream!

It's actually the spirit helping the spirit; it is the doctor, the bed, the potion.

I know how ingratitude burns, how falsehood tortures, for I have been deceived in friendship and in love; I have learned to lose and to resign myself.

The uneducated person perceives only the individual phenomenon, the partly educated person the rule, and the educated person the exception.

No shortcomings of other people cause us to be more intolerant than those which are caricatures of our own.

Poetry, it is often said and loudly so, is life's true mirror. But a monkey looking into a work of literature looks in vain for Socrates.

When we interpret nature, we refer phenomena that are rarely entirely unintelligible back to something that actually exists, but is equally unintelligible.