When you fail, you learn. When you succeed, you learn even more.

The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.

We must balance short-term energy needs with long-term environmental goals.

The world, as a rule, does not live on beaches and in country clubs.

投资于更清洁的煤炭技术就是投资于我们星球的未来。

I don’t think about being the best in history. I think about being the best every day.