Every tree we plant today is a legacy for generations we'll never meet.
"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."
语法和语义之间的相互作用是形式语言研究的核心。
The dead cannot cry out for justice. It is a duty of the living to do so for them.