在数学中,真理总是相对于你所在的系统而言的。
我看到了,我忘记了;我听到了,我记住了;我做过了,我理解了。
Every setback is a setup for a comeback.
It's not about being the best, it's about being better than you were yesterday.
一本好书是一个永远不会让你失望的朋友。
如果你想飞翔,就必须放弃那些拖累你的东西。