"The higher we soar the smaller we appear to those who cannot fly."

"Insanity in individuals is something rare – but in groups, parties, nations and epochs, it is the rule."

"The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind."

"I assess the value of a man by how much he can endure without falling apart."

"There is more wisdom in your body than in your deepest philosophy."