如果知识可以创造问题,那么不是通过无知我们可以解决它们。
If knowledge can create problems, it is not through ignorance that we can solve them.
We don't even know how strong we are until we are forced to bring that hidden strength forward.
The secret of change is to focus all of your energy, not on fighting the old, but on building the new.
The pursuit of mathematical knowledge is a journey that never ends.