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森林是地球的肺，我們必須給予它們應有的關懷。

你寫作不是因為你想說什么，而是因為你有話要說。

Whatever is well conceived is clearly said, And the words to say it flow with ease.

The past is never dead; it is not even past.

In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.

Collaboration is the foundation of progress in science—no one works alone.