译文：下雪时送木炭的君子很少，在彩色锦缎绣花的小人很多。赏析：在我们遇到困难时伸出援手的人不多，更多的人因为利益而去巴结我们。人情淡薄，越是需要帮助的越没人帮助，越是得势富足的越有人去巴结。

The most profound ideas in mathematics often come from asking the simplest questions.

The best way to make your dreams come true is to wake up.

A key insight in learning theory is that the complexity of a hypothesis class is crucial for generalization.

To be happy is only to have freed one's soul from the unrest of unhappiness.