永远保持节俭,除非是为了自己的热情。
Mathematics is not a spectator sport.
History is not the past. It is the method we have evolved of organizing our ignorance of the past.
多元宇宙不是一个理论,而是某些理论的预测。
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
Your life changes the moment you make a new, congruent, and committed decision.