"Knowledge rests not upon truth alone, but upon error also."

"Knowing your own darkness is the best method for dealing with the darknesses of other people."

"The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed."

"The pendulum of the mind alternates between sense and nonsense, not between right and wrong."

"Death, like birth, is a secret of Nature."

"Death is the final wake-up call."

"Inactivity is death."

"And I will show that nothing can happen more beautiful than death."