青春不是年华，而是心境；青春不是桃面、丹唇、柔膝，而是深沉的意志，恢宏的想象，炙热的恋情；青春是生命的深泉在涌流。

The history of life is a history of survival.

数学的真正力量在于它能够揭示支配宇宙的隐藏模式和结构。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

Marine protected areas are like savings accounts for fish populations.

我不是来告诉你怎么想，我是来告诉你要思考。