My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
I believe in Spinoza's God, Who reveals Himself in the lawful harmony of the world, not in a God Who concerns Himself with the fate and the doings of mankind.
No man really knows about other human beings. The best he can do is to suppose that they are like himself.