若你想从不被批评,那务必不要尝试新事物。
If you never want to be criticized, for goodness' sake don't do anything new.
Sometimes you put walls up not to keep people out,but to see who cares enough to break them down.
In mathematics, the journey of discovery is often more rewarding than the destination itself.
成功不在于成为最好的,而在于成为最能适应的。