The brilliance of truth often shines in adversity.

历史是一场我试图从中醒来的噩梦。

The development of formal systems has revolutionized our understanding of mathematics.

For the eyes of the world now look into space, to the moon and to the planets beyond, and we have vowed that we shall not see it governed by a hostile flag of conquest, but by a banner of freedom and peace.

我为什么要站到这儿，我站到讲台上，是想提醒我自己我们必须时刻用不同的眼光来看待事物。