The future of coal lies in clean and efficient utilization.
随着知识的每一次增长,以及每一种新工具的发明,人类的劳动都会得到简化。
石油和天然气在未来几十年仍将是能源结构的一部分,但我们必须尽可能清洁地生产它们。
I’ve had to work very hard for every title. Nothing has been given to me.
解决复杂问题的关键是提出正确的因果问题。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.