Seek simplicity but distrust it.

The only use of knowledge of the past is to equip us for the present.

The teleology of the Universe is directed to the production of Beauty... The type of Truth required for the final stretch of Beauty is a discovery and not a recapitulation... Apart from Beauty, Truth is neither good, nor bad... Truth matters because of beauty.

Fundamental progress has to do with the reinterpretation of basic ideas.

The justification for a university is that it preserves the connection between knowledge and the zest of life, by uniting the young and the old in the imaginative consideration of learning.

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.

Philosophy begins in wonder. And, at the end, when philosophic thought has done its best, the wonder remains.