In the realm of algorithms, efficiency and elegance are not mutually exclusive but are often two sides of the same coin.
The only way to get to the top is to climb the mountain, not to wait for the elevator.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
当你开始随波逐流的那一刻，你就失去了原创性。
The stream of thought is the stream of life solving its problems.