当我们无力改变处境时,我们就被挑战去改变自己。
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。
你和我各有一个苹果,如果我们交换苹果的话,我们还是只有一个苹果。但当你和我各有一个想法,我们交换想法的话,我们就都有两个想法了。
Let us not to take ourselves too serious. None of us has a monopoly on wisdom.
Don’t tell me how good you make it; tell me how good it makes me when I use it.
"Books are the most powerful form of magic."