"The dialectic of history is more cunning than the cunning of any individual."

"Life is not an easy matter... You cannot live through it without falling into a little of everything."

"Learning carries within itself certain dangers because out of necessity one has to learn from one's enemies."

"The individual is not merely a means to an end, but an end in himself."

"Art, like science, does not seek to impose its will on life, but rather to reflect it, to understand it, and to reveal its inner laws."