你的水无法流动是因为我。
采矿效率来自于持续改进，而不仅仅是重大突破。
The world is full of magic things, patiently waiting for our senses to grow sharper.
在生物圈的地质历史演化中，智慧圈是众多阶段的最后一个阶段。
No man really knows about other human beings. The best he can do is to suppose that they are like himself.
The meaning of a word is not a mental entity， but a social practice.
"There is only one real sin, and that is to persuade oneself that the second-best is anything but the second-best."
