If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
I've learned that pressure is a privilege.
No matter how tough the loss, defeat is not final until you stop trying.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
我们观察到的宇宙恰恰具有我们应期望的属性，如果从根本上说，没有设计，没有目的，没有邪恶，没有善良，只有盲目的、无情的冷漠。
The most valuable resource we extract isn't coal—it's the talent and dedication of our people.
做你自己，别在意别人的看法。
El lenguaje es la casa del ser, y en sus palabras habitamos.