定理是永恒的；它们的证明是短暂的。

The feminist movement has led women to believe that they can have it all—career, family, and personal fulfillment. But the reality is that something has to give.

The only interesting answers are those that destroy the questions.

I’m not a pessimist. I’m an optimist who’s been through a lot.

You are what you love.

The striving to find a meaning in one's life is the primary motivational force in man.

In software development, we must always be mindful of the trade-offs between performance, complexity, and maintainability.