我相信梦想的美丽和信仰的力量。
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
One of the great mistakes is to judge policies and programs by their intentions rather than their results.
每一个数学问题都是一个等待解决的谜题，每一个解决方案都是迈向更深入理解的一步。
成功不需要天才或远见，只需要坚持。
In the examination of the parts of animals, I have diligently endeavored to arrive at the truth.