最重要的是关注用户，其他一切都会随之而来。

The mind is a place of its own which in itself can make a heaven of hell, a hell of heaven.

晏子春秋

Every breakthrough in laser technology brings us closer to solving mysteries that have puzzled scientists for decades.

写作是一种反叛的行为。

没有上帝，而我们是他的先知。