唯一存在的限制是你给自己设置的。
The only limits that exist are the ones you place on yourself.
Hatred is the most accessible and comprehensive of all the unifying agents.
I was born to win, but in order to win I gotta be willing to lose.
科学中真正的回报是为比自身更伟大的事业做出贡献。
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。