We must produce a great age, or see the collapse of the upward striving of our race.

Seek simplicity but distrust it.

Education should turn out the pupil with something he knows well and something he can do well.

...the only simplicity to be trusted is the simplicity to be found on the far side of complexity.

Philosophy is the product of wonder.

The foundations of the world are to be found, not in the cognitive experience of conscious thought, but in the aesthetic experience of everyday life.

By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and in effect increases the mental power of the race.