天下事有难易乎?为之,则难者亦易矣;不为,则易者亦难矣
天下的事情有难易之分吗?只要去做,难的也会变容易;不去做,容易的也会变难
每一个超限的一致多重性,即每一个超限集合,必须有一个确定的阿列夫作为其基数。
The study of economics is ultimately the study of human behavior and its consequences.
The universe will change if you bring up your children, in behavioristic fashion, to be unafraid.
"In every equation, there is a story waiting to be told."
音乐是我的治疗方式。