译文：自己平静内心就可延长寿命，不贪求物欲便可精神旺盛。赏析：做任何事都要冷静，放平心态，追求物质生活没有错，但有时也需要顺其自然。

"The world is a mirror, and the mirror is a shadow."

The most radical gesture is to stay where you are.

In science, the most exciting phrase is not 'Eureka!' but 'That's funny...'

是亲人不当亲人待，不是亲人却当亲人看。

The beauty of mathematics lies not only in its abstract elegance but also in its profound ability to model and solve real-world problems.