Seeing comes before words. The child looks and recognizes before it can speak.
If you are free, you are not predictable.
做数学就是与宇宙对话,寻找我们甚至可能还不知道如何提出的问题的答案。
The greatest wisdom is to know that you know nothing.
重要的不是发生在你身上的事情,而是你如何处理发生在你身上的事情。