书籍是理解我们自己的钥匙。

Challenges are what make us grow; embrace them.

我是那种疯狂的人，如果我打了一个女孩的嘴而她还在笑。

The success of liberal democracy depends on the ability of its institutions to adapt to changing circumstances.

Sustainability isn't an option; it's a responsibility we owe to future generations.

译文：凡事从自身上找原因，就不会有抱怨了。这就是孟子说的行有不得反求诸己。