The merit of Marx is that he suddenly produces a qualitative change in the history of social thought. He interprets history, understands its dynamic, predicts the future, but in addition to predicting it, he expresses a revolutionary concept: the world must not only be interpreted, it must be transformed.
Truth is eternal, knowledge is changeable.
人的本性是多么的美妙，同样美好的品质从不厚此薄彼，既可以在最出色的君子身上发扬，又可以再最卑污的慈善学校学生的身上滋长。
The challenge in cryptography is not just to create unbreakable codes, but to create systems that remain secure even as technology evolves.
宇宙不仅比我们想象的更奇怪，而且比我们能想象的还要奇怪。