The past is a kind of shadow which is always there, whether you choose to ignore it or not.

The key to advancing computer science is collaboration across disciplines.

天下的一切事物不可以没有标准，做人要有做人的标准，即原则；做事要有做事的标准，即规则；治国要有治国的标准，即法则。不遵循一定的标准而能成事者，自古以来是没有的。

The simple step of a courageous individual is not to take part in the lie. One word of truth outweighs the world. In keeping silent about evil, in burying it so deep within us that no sign of it appears on the surface, we are implanting it, and it will rise up a thousand fold in the future.

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.