I never stop learning and improving.

解释：花开得好看，但不结果实，比喻中看不中用，形式华丽而没有实际内容，是耻辱。

对地球最大的威胁是认为别人会拯救它的想法。

The day I stop believing I can win is the day I'll stop playing tennis.

在观测天文学中，耐心是关键，有些发现需要几十年才能确认。

"The true artist is one who can find the extraordinary in the ordinary, and reveal it to the world."

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

我们每一次的观察都是向理解宇宙迈近的一步。