过去从未死去，它甚至还没有过去。

Risk comes from not knowing what you're doing.

The challenge in science is not just to find answers but to understand their deeper implications.

旋风不能奏出动听的音乐；心灵手巧的妇人未必能够主持好饮食家务；（只会）做文章的读书人不能够治理好国家。