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True innovation happens at the intersection of technology and necessity.

The best way to learn mathematics is to do mathematics.

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.

La vengeance est un plat qui se mange froid.

The universe is not only stranger than we imagine, it is stranger than we can imagine.

不要陷入片段問題，而應(yīng)該時刻展望整個偉大的問題，即使這個視野還不夠清晰。