The ethical implications of gene editing must be considered at every step.

The real challenge in computer science is not to write programs, but to understand the nature of computation.

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。

The primary rules of obligation are those that require or forbid certain actions.

解释：兵器既不齐全又不锋利，实质上和没有兵器一样！

The best films are the ones that stay with you long after you've watched them.

Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.