数学不是关于数字、方程、计算或算法的:它是关于理解的。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
The poet is the priest of the invisible.
People lie for all kinds of reasons, but mostly they lie because the truth is too hard.
Science without ethics is like a ship without a compass.
字符串是一个严格的数据结构,在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。