数学不是关于数字、方程、计算或算法的：它是关于理解的。

我能奉献的没有其他，只有热血、辛劳、眼泪和汗水。

通过教育唤醒灵魂。

"I think it's important to have a balance in life, and to not let work consume you."

学习各种思维模型是你能给自己最好的礼物。

If we want clean air and water, we must start by protecting our forests.

"One must be an inventor to read well. There is then creative reading as well as creative writing."

译文：处理事情应该宽大平和，而不能有松散懈怠的毛病；处世贵在严格，而不能过于激烈操切。赏析：做事如果松散懈怠，就会功败垂成。处世遵守规定是好事，但操之过急也会适得其反。