译文：学习贵在实践，而非空知;贵在有用于世，而非无用之学。反对空谈，提倡经世致用。

你唯一应该努力超越的人就是昨天的自己。

A good learning algorithm should be able to generalize from a limited set of examples to unseen data.

"A man's face is his autobiography. A woman's face is her work of fiction."

The beauty of the soul surpasses that of the body.

The Backstreet Boys are more than just a band - we're a family.

最重要的是忠于自己。

组织的质量由其过程的质量决定。