“The heart has its reasons which reason knows not.”

“I have only made this letter longer because I have not had the time to make it shorter.", 1657)”

“I made this [letter] very long, because I did not have the leisure to make it shorter.”

“To ridicule philosophy is really to philosophize.”

“When I see the blind and wretched state of men, when I survey the whole universe in its deadness, and man left to himself with no light, as though lost in this corner of the universe without knowin...”

“Man is but a reed, the most feeble thing in nature; but he is a thinking reed.”

“And there is neither beginning nor end, nor past nor future; there is only a present, at the same time static and ephemeral, multiple and absolute. It is the vital ocean in which we all share, acco...”

“When one was full of energy and enthusiasm the world was an apple, the future was way beyond the horizon and only the present was pertinent.”

“Because things are the way they are, things will not stay the way they are.”