The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. )
Physics is not just a science, it is a way of thinking about the world.
仅靠政策无法拯救我们的森林——需要个人、企业和政府采取行动。
煤炭使美国在世界范围内保持竞争力。