相位裕度是系统在变得不稳定之前可以容忍的程度的度量。

The writer’s job is to write with rigor, with honesty, to the very end of his strength.

We're here to put a dent in the universe. Otherwise why else even be here?

建筑的未来在于既耐用又可持续的材料。

The only limit to our realization of tomorrow will be our doubts of today.

The most dangerous poison is the feeling of achievement. The antidote is to think every morning, 'What can be done better?'

The first essential component of social justice is adequate food for all mankind.

心理学的目的是理解生活如何运作。