有权势的天子，也未必尊贵；穷苦的平民，也未必低贱。贵贱的分别，在于行为的美恶。
Simple, sincere people seldom speak much of their piety; it shows itself in acts rather than words, and has more influence than homilies or protestations.
物理学的美不在于拥有所有答案，而在于提出更好的问题。
我认为最重要的是不断尝试进步，无论你有多优秀。
Engineering is about solving problems, not just making things look pretty.