The least movement is of importance to all nature. The entire ocean is affected by a pebble.

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

Custom is our nature. What are our natural principles but principles of custom?

Our soul is cast into a body, where it finds number, time, dimension. Thereupon it reasons, and calls this nature necessity, and can believe nothing else.

Can anything be stupider than that a man has the right to kill me because he lives on the other side of a river and his ruler has a quarrel with mine, though I have not quarrelled with him?