力气单薄就不要去背负重物，说话没分量就不要规劝别人。

The key to innovation is fostering a culture of curiosity and experimentation.

The world has nothing to fear from military ambition in our Government.

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

I've never known anyone who was what he or she seemed; or at least, was only what he or she seemed.

我是个幸存者，我不会放弃，我不会停下，我会更加努力。