学习古人但不拘泥于古人，效法古人但不抄袭古人。

唯一让我继续前进的是我热爱我所做的事。

Wonder is the beginning of wisdom.

There is no necessary connection between law and morality.

Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.

天文学的历史是一部视野不断扩展的历史。