海洋充满了机会，但你必须知道在哪里寻找并准备好行动。

The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.

"In the silence of reading, the loudest voices of humanity can be heard."

一个人固守道德而不能发扬光大，信仰主张又不能坚定不移，这种人有他不能算有，没有他不能算无。