The discovery of 51 Pegasi b was a turning point in astronomy, proving that planets could exist around sun-like stars.

There is no justice in love, no proportion in it, and there need not be.

我觉得布什总统根本没有为艾滋病做任何事。事实上，我都不能确定他会不会拼艾滋这个单词。

格式塔的组织原则对于理解我们如何感知周围世界至关重要。