过去是一道永不愈合的伤口。
The past is a wound that never heals.
Technology is a tool; users are the core.
投资更清洁的煤炭技术是对能源未来的投资。
Don't give up easily, persistence is victory.
I don't give a damn if you're offended, I don't care.
Whatever you're meant to do, do it now. The conditions are always impossible.