Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.
采矿技术的创新不是一种选择，而是我们对工人和环境应尽的义务。
作家必须是一个永远的外来者，一个所有权力的批评者。
仅靠技术无法拯救我们；它必须与我们消费和思考能源方式的根本转变相结合。
The main difference between me and other people who have amassed this kind of money is that I am primarily interested in ideas, and not in making money.
The bond market is the ultimate arbiter of risk.