你越深入数学,就越能意识到一切是如何相互关联的。
Literature is the expression of a feeling of deprivation, a recourse against a sense of something missing.
——与伦敦《滨海杂志》记者谈话,1911年11月
You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject for ever.