我们都在逃避某些东西，而我们逃避的东西往往是我们最渴望的。

Happiness is not something ready-made. It comes from your own actions.

Sometimes I just feel like quitting, but then I think about all the people I’d be letting down.

煤炭的未来取决于我们创新和减少其环境影响的能力。