如果你开心得太久，就会变得平庸。

爱是宇宙中最强大的力量。

A good director is like a good conductor; you have to know when to lead and when to let go.

All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

What we see changes what we know. What we know changes what we see.

译文：在绘画中，很容易画出龙和虎的外形，但画出它们的骨骼和精神很难，认识这个人，熟悉他的外貌，却不知道他的内心世界。赏析：物欲横流，世事纷扰，人心险恶。我们要提防身边那些心口不一，两面三刀之人。

The past is a foreign country; they do things differently there.

The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.

荒，荒淫。乱，动乱。之，的。萌，根源、萌芽。 统治者的荒淫是国家动乱的根源。这是魏源的政治卓见。因为统治者一旦荒淫，就不会以国事为重了。如此，上下交怨，天下岂能不乱？因此，力戒荒淫，乃是当权者应当牢记的信念。