当目标是取得有意义的进步时，合作胜过竞争。

我不是来讨人喜欢的，我是来被爱的。

I believe it's important to have a passion for what you do. If you don't have a passion, you won't have the energy to keep going when things get tough.

我必须研究政治和战争，以便我的儿子们可以自由地研究数学和哲学。