Technology should serve both efficiency and ethics in mineral extraction.
技术在矿物开采中应该同时服务于效率和道德。
We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.
最好的领导者是那些最热衷于与比自己更聪明的人为伍的人。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
自然的简单性不应以我们对简单性的概念来衡量。