Abstraction is the key to managing complexity in large software systems.

只保有你可一直携带的东西：掌握一些语言，熟悉一些国家，了解那些人民。让记忆成为你的行囊。

I don't want to be labeled as just an R&B artist. I want to be known as an entertainer.

黑洞不仅仅是宇宙的真空吸尘器；它们是测试我们物理理论极限的终极实验室。