质量从来不是偶然的;它始终是智慧努力的结果。
解释:国家垂危败亡,一定是因为任用了奸邪小人。
"The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."
我们不是宇宙的独立观察者,而是其展开过程中的积极参与者。