Every beginning is a consequence - every beginning ends some thing.

In the physical world, one cannot increase the size or quantity of anything without changing its quality. Similar figures exist only in pure geometry.

Peace is a virtual, mute, sustained victory of potential powers against probable greeds

History justifies whatever we want it to. It teaches absolutely nothing, for it contains everything and gives examples of everything.

Science means simply the aggregate of all the recipes that are always successful. All the rest is literature.

It seems to me that the soul, when alone with itself and speaking to itself, uses only a small number of words, none of them extraordinary.

Poe is the only impeccable writer. He was never mistaken.