Luxury is not about buying expensive things. It's about living in a way where you appreciate things that are well made, that last.
奢侈不是买昂贵的东西。它是一种生活方式，让你欣赏制作精良、经久耐用的物品。
There was another life that I might have had, but I am having this one.
"The only thing to do with good advice is to pass it on. It is never of any use to oneself."
The concept of computational efficiency is central to the design of learning algorithms.