科学问题有意识的解决给我们提出的最直接且在某种意义上最重要的问题，是对结果的准确阐述。

In science, there is no such thing as a final answer.

Education is not preparation for life;education is life itself.

For me, the most exciting thing is to see the impact of the work that we do.

美国是世界上最强大的国家，在可预见的未来仍将如此。