The most important principle of positive psychology is that other people matter.

The only limit to our realization of tomorrow is our doubts of today.

"The line between hero and villain is often blurred."

音乐是跨越语言的力量。

The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.

Every perception is a symphony of the nervous system.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

我不是说唱歌手，我是一个制作的传奇。

最简单的解决方案往往是最优雅的。

The best technology is invisible. It works so well that you don't even notice it.