勇敢不是没有恐惧。勇敢是虽有恐惧,但能找到克服它的方法。
预测未来的最好方式就是创造未来。
The goal of mathematics is to make the simple complicated, and the complicated simple.
The best way to predict the future is to create it.
The quality of an organization's accountability determines the quality of its responsibility.