今天的美好时光，就是明天的悲伤回忆。
The good times of today, are the sad thoughts of tomorrow.
数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。
I'm like a dog, I don't speak but I understand.
The future competition is not about technology, but about data capabilities.
I'm very independent, but I still want someone to love.
"The greatest wealth is to live content with little."
解析：君子要求的是自己，小人要求的是别人。