与他人说话时，要留有余地，别把心里想说的全部讲出来；画虎的形态很简单，但画出骨骼却很难；熟悉人的面貌很容易，但真正了解一个人的内心却很难。

真理是永恒不变的。

The international system is inherently competitive, and states are constantly trying to outmaneuver each other.

Aquaculture is agriculture's next frontier.

The ocean is our greatest untapped resource, and responsible aquaculture is the key to unlocking its potential.

量子力学的教训是，我们必须修正我们对现实的经典观念。