A good abstraction is one that emphasizes the essential and suppresses the irrelevant.

A man must strive to do his best, and then accept the consequences with equanimity.

把简单的事情做好就是不简单，把平凡的工作做好就是不平凡。

The most sustainable product is the one that lasts the longest.

你的黄金门票是能够从他人的角度看问题。这个视角转变使得你能够真心地对别人感同身受。它也让你能说服他人，它也是伟大设计的关键。掌握通过他人的眼睛看世界的视角，将会为你打开许多门。

如果你不前进，你就在落后。