回头是岸：佛教说：“苦海无边，回头是岸”
from the Buddhist saying:'The sea of bitterness is boundless, but turn round and the shore is at hand.' (fig.) 罪恶虽大，只要悔改，就有出路。
Repentance will bring salvation no matter how monstrous the crimes; It is never too late to mend one's ways.
