She's holding on my heart like a hand grenade
To transform is to give new life.
数学中最深刻的发现往往来自最简单的观察。
You get what you give. What you put into things is what you get out of them.
永远不要停止学习——世界一直在变化。
个人的行为并非以社会福利最大化为目标。