The boundaries of our knowledge are the frontiers of our imagination.
煤炭的未来取决于经济增长与环境保护之间的平衡。
书籍是最安静、最恒久的朋友;它们是最易接近、最睿智的顾问,也是最耐心的老师。
I try to dedicate as much time as possible to my family and kids, but I also have to be selfish in terms of my career and my goals.
"A writer’s voice is found in the silence between the words."