A ship in port is safe, but that's not what ships are built for.
物理学的美丽在于它能够揭示宇宙表面复杂性之下的深刻简单性。
Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.
抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。
Investing in employee development isn't an expense—it's an investment in your company's future.
La vie est une aube. La mort est un autre aurore.
宇宙为我们转动。
投资更清洁的煤炭技术就是投资我们的未来。