Materials speak their own language; our job is to listen and interpret.
真理是永恒不变的。
理解就是感知模式。
The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.
朋友可以来来去去，但精神却永远常驻。
人生要么按照自己的意愿生活，要么按照别人的意愿生活。
I am not a perfect person, but I am trying every day to concentrate on being better.
People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in this world are the people who get up and look for the circumstances they want, and, if they can't find them, make them.