Happiness is rarely absent; it is we that know not of its presence.
幸福很少缺席；是我们不知道它的存在。
To live is the rarest thing in the world. Most people exist, that is all.
作品只有在进入世界后才算完成。
The challenge of quantum computing is not just technical but also conceptual.
唯一不变的是变化，持续的变化，不可避免的变化，这是当今社会的主导因素。
The whites came to this land for a fresh start and to escape the tyranny of their masters, just as the freemen had fled theirs. But the ideals they held up for themselves, they denied others.
Technology can help us monitor forests, but wisdom teaches us how to preserve them.