技术就是那些在你出生时还不存在的东西。
The only real mistake is the one from which we learn nothing.
"That is what is so strange, that people will not believe what is really true, what is before their eyes."
一件事情都不能做到有始有终,就不要去操持其他的事情;一物也不明白,就不要追求博闻广记。