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。

"Some infinities are bigger than other infinities."

老年人相信一切，中年人怀疑一切，年轻人知道一切。

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.