Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.

You must be aware that most men (and also not only a few women) are by nature not monogamous. This nature makes itself even more forceful when tradition and circumstance stand in an individual's way.

If I had my life to live over again, I would elect to be a trader of goods rather than a student of science. I think barter is a noble thing.

The best design is the simplest one that works.

The time comes in life when we have read enough. It's time to stop reading. It's time to lay down the books and write.

Mysticism is in fact the only criticism people cannot level against my theory.

One can't teach a cat not to catch birds