The study of consciousness must be free from all subjective bias.

The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.

数学之美在于它能够揭示看似复杂事物背后的简单性。

不要批评你不理解的东西。

世界是一片伟大的天空，我们是其中的鸟儿。