Happiness is not something ready made. It comes from your own actions.

音乐是灵魂隐藏的算术练习，它不知道自己正在与数字打交道。

The architect must be an artist.

The great powers are always searching for opportunities to gain power at the expense of rivals, and to dominate the system.

板块是地幔热边界层的表面表现。