国家一定要有直言进谏的臣子，上级必须有敢于提出反对意见的下级，议论国政的人不停止，各种不同政见的人相互辩论，才可以长久保存国家，使国家兴盛强大。也就是说言论自由是民众的基本权利，每个人都可以提出不同的政见，民众有平等参与政治的权利。

I don't let negativity define me.

"The key to good research is not just the method, but the clarity of the question and the quality of the data."

Life is either a daring adventure or nothing at all.

"Don't watch the clock; do what it does. Keep going."

Stay hungry, stay foolish, but also stay focused.

每当我们提出问题的解决方案时，我们都应该尽力推翻我们的解决方案，而不是捍卫它。