解释：齐国是强国，利用它的强大进攻宋国，让他逞强，燕国就可以乘机打败齐国；齐国是大国，利用它的大国野心吞并宋国，增加土地，燕国就可以乘机进攻。

正义并不总是黑白分明；有时它是灰色的。

任何社会中最危险的创造物是那些没有什么可失去的人。

Fearless is not the absence of fear. It’s not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

Everything is a learning process: any time you fall over, it's just teaching you to stand up the next time.

The walls of a garden should be high enough to keep the world out, but low enough to let the sky in.

I wake up every morning and say to myself, ‘You’re blessed to be alive.’

It's not whether you're right or wrong that's important, but how much money you make when you're right and how much you lose when you're wrong.

我并非一无所有，我拥有自由。