Better to ask the way than go astray.
問路總比迷路好

There is no rule without exception.—Cervantes
有規則必有例外。《西萬提斯》

A friend in need is a friend indeed.
患難之交才是真心的朋友。

If you are going to be a bridge, got to be prepared to be walked upon.
假如你想成為橋樑，就要有被踐踏的準備。