今天投资于幼体营养研究，明天将养活数百万人。

A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

如果你还在想着昨天，你就不会有更好的明天。