生而贫穷是意外，但死于贫穷是选择。

Functions delay binding; data structures induce binding. Moral: Structure data late in the programming process.

The most formidable weapon against errors of every kind is reason.

The best films are those that leave the audience with questions, not answers.

The trade-off between bias and variance is a fundamental concept in machine learning.

The journey of discovery is filled with uncertainties, but it is these uncertainties that make science so exciting.

世界充满了故事，但所有的故事其实都是同一个。