True happiness comes from love for oneself and others.
Innovation in coal mining isn't about reinventing the wheel, but about making the wheel more efficient and environmentally friendly.
飞蓬生长在麻地里,不用扶持也能挺立;白沙混进黑色泥土,也会跟着一起变黑。
没有比你自己设下的陷阱更致命的陷阱了。
钱不会从天上掉下来,必须脚踏实地去挣。
We are all haunted by the ghosts of our own making.