利润永远不应该以牺牲人或地球为代价。
Profit should never come at the expense of people or the planet.
The truth is, I don't know what I would have done without mathematics.
I've always been interested in the idea of the outsider, the person who doesn't quite fit into the mainstream.
Retire into yourself and ask yourself this question: Must I write？ If the answer is yes， then you must keep writing.
平凡与非凡之间的区别就在于那一点点额外的努力。
当我们无法改变一种情况时，我们被挑战去改变自己。
Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.
