人生是不断选择的过程。而这些选择塑造了我们的未来。

The past is a living thing.

"The worst enemy of truth is not the lie—deliberate, contrived, and dishonest—but the myth—persistent, persuasive, and unrealistic."

The true test of a mathematical idea is its ability to inspire further thought.

质量不是一种行为，而是一种习惯。