The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.

数学的美只向更有耐心的追随者展示。

文学是一种反抗，是对现实不满的表现。

Investors should focus on asset allocation rather than market timing.

"The world is full of wonders, but they become more wonderful when we share them."

隐喻是诗人以不同方式看待世界的方法。

The best mathematicians are those who are not afraid to take risks.