科学不仅仅是发现新事物，还包括提高世界各地人们的生活质量。

The poet is a man who plants a tree and then sits in its shade.

The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

预测未来的最好方式就是创造未来。

You are stronger than you think.