抱最好的希望，做最坏的打算。

The performance standard is 'Zero Defects'.

The energy landscape is changing, and we must change with it to remain relevant.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

Quality is not an act, it is a habit.

应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。