We are obliged to regard many of our original minds as crazy at least until we have become as clever as they are.

Non cogitant, ergo non sunt.

The fruits of philosophy are the important thing, not the philosophy itself. When we ask the time, we don't want to know how watches are made.

He was always smoothing and polishing himself, and in the end he became blunt before he was sharp.

Be wary of passing the judgment: obscure. To find something obscure poses no difficult, elephants and poodles find many things obscure.

To see every day how people get the name 'genius' just as the wood-lice in the cellar the name 'millipede'-not because they have that many feet, but because most people don't want to count to 14-this has had the result that I don't believe anyone any more without checking.

How did mankind ever come by the idea of liberty? What a grand thought it was!