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.

There's a politics to how materials are used.

I'm not afraid to fail, I'm afraid not to try.

Challenges make me stronger.

成功的道路是由经过计算的风险和不懈的努力铺就的。

预言是人类唯一一项无法经由练习而改善的技术。