I don't care what you think about me. I don't think about you at all.
你可能无法改变现实,但你可以改变你对现实的态度,而这,矛盾的是,会改变现实。
I'm not perfect, but I'm trying every day to be better.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。