The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they think it will profit them.

持续练习的小而刻意的行动可以带来幸福水平的巨大变化。

The more you give, the more comes back to you.

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

倒置，始终倒置：将情况或问题颠倒过来。反向观察它。

如果你不准备犯错，你永远不会想出任何原创的东西。