I'm the reason your boyfriend's so stressed.

You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.

我不是政治家，我只是一个关心的公民。

One of my most productive days was throwing away 1000 lines of code.

办一件事都不能善始善终,就不要做很多事。

The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.