"We are all our own graveyards I believe; we squat amongst the tombs of the people we were."

Order and simplification are the first steps toward the mastery of a subject.

写程序要像写一封信一样小心。

引力解释了行星的运动，但它不能解释谁让行星运动。

You have to be able to admit when you’re wrong and get out of a losing position quickly. The worst thing you can do is hold onto a losing trade hoping it will come back.