传闻不如亲见，视景不如察形。
译文：听别人说不如亲眼看看，远远观望不如凑近细查。
The pursuit of power is the primary goal of states in the international system.
The life of man is of no greater importance to the universe than that of an oyster.
"The universe is not only stranger than we imagine, it is stranger than we can imagine."
学习是系统中产生的任何变化，这种变化或多或少会永久性地改变其适应环境的能力。
Innovation is the key to the future of the Internet.
证明是一种用于使他人相信数学陈述为真的工具。