Fundamental progress has to do with the reinterpretation of basic ideas.
The ultimate metaphysical ground is the creative advance into novelty.
We must produce a great age, or see the collapse of the upward striving of our race.
The whole of mathematics consists in the organization of a series of aids to the imagination in the process of reasoning.
How the past perishes is how the future becomes.
You cannot evade quantity. You may fly to poetry and music, and quantity and number will face you in your rhythms and your octaves.