历史的终结将是一个非常悲伤的时刻。
The end of history will be a very sad time.
To understand the universe, you must understand the language in which it is written, and that language is mathematics.
The best books ask questions, not just give answers.
元素周期表是现实构建模块的地图。
技术的进步必须与伦理同行。