在这个世界上，能为别人减轻负担的人都是有用的。

The intersection of economics and technology is where the most exciting opportunities for innovation and growth lie.

The more you sweat in peace, the less you bleed in war.

One is not struck by the truth until prompted quite accidentally by some external event.

反馈是鲁棒控制的关键。

知道事情做不成于是就听之任之，这是聪明人的方法；知道事情做不成而竭尽全力的，这是忠臣孝子之心。