Every ounce of metal we produce carries with it the weight of our environmental commitments.

Humility is the greatest virtue a scientist can possess.

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

The best way to cheer yourself up is to try to cheer somebody else up.

You have to be bold in this industry, but never reckless.

我不是疯了，我只是有创造性的疯狂。