The first step in the art of cutting metals is to find a man who has the necessary skill and experience.

量子力学的本质在于它不描述单个粒子的行为，而是描述它们行为的概率。

科学与日常生活不能也不应该被分开。

Mathematics is not a spectator sport. You have to get involved.

"I am interested in the way that the poem can be a kind of dialogue with the reader."

摆脱诱惑的唯一方法是屈服于诱惑。