在算法的领域中，效率不仅仅是一个目标；它是一种必需。
In the realm of algorithms, efficiency is not just a goal; it is a necessity.
Sometimes you don't need a goal in life, you don't need to know the big picture. You just need to know what you're going to do next!
追求完美的想法，是一个好计划的最大敌人。
在数学中，发现的旅程往往比目的地本身更有价值。
Hint. Money flows into most funds after good performance, and goes out when bad performance follows.
提示。资金在表现良好后流入大多数基金，并在糟糕表现随之而来时流出。