"If you want to know who controls you, look at who you are not allowed to criticize."

"The instruction we receive in our childhood is like the engraving on a stone, which time effaces but slowly."

"History is nothing but a pack of tricks that we play upon the dead."

"Common sense is not so common."

"Every man is a creature of the age in which he lives, and few are able to raise themselves above the ideas of the times."