不可能与可能之间的区别在于一个人的决心。

一个好的数学问题的定义是它产生的数学，而不是问题本身。

Sustainability isn't a choice; it's our responsibility to the planet and future generations.

兼听则明，兼信则暗。不迷信权威，勇于独立思考，才能更明白的看待这个世界。

I have always believed that the way to make money is to buy when everyone else is selling and to sell when everyone else is buying.