"Life is tough, my darling, but so are you."
生活很艰难，亲爱的，但你也很坚强。
A mathematical truth is universal and eternal.
当[竞争者]在早晨洗澡的时候，他们在想如何超过他们的一个主要竞争对手。我们在早晨洗澡的时候，我们在想如何让我们的客户更满意。实际上，我们想如何发明一些新的东西，我已经看到这个模式在我们的所有业务中重复出现。
Take one simple thing — almost anything — but take it extremely seriously， as if it was the only thing in the world， or maybe the entire world is in it — and by taking it seriously you’ll light up the sky.
There are two freedoms - the false, where a man is free to do what he likes; the true, where he is free to do what he ought.