快乐的情感是来源于与不好的事的对比，而快乐本身并没有任何意义。

I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.

The goal of mathematics is to make the simple complicated, and the complicated simple.

写作是一种思考的方式，一种理解世界的方式。

我已将这一原则——每一微小变异若有益便被保存——称为自然选择。

我认为数学之所以有价值，是因为它具有这种令人难以置信的结构，你可以探索和发现。

量子力学和信息理论之间的相互作用是一个丰富的研究领域。

我不完美，但我每天都在努力。

A man can no more diminish God's glory by refusing to worship Him than a lunatic can put out the sun by scribbling the word 'darkness' on the walls of his cell.

读书贵在能有疑问，有疑问方能增进对事物的了解。