1.be bold in correcting one's mistakes;
2.be bold enough to reform;
3.repent and change one's errors [mend one's way]
4."Will you mend your ways？
5.It is never too late to mend.
6.He has really corrected his mistakes.
7.Whip a fault out of sb.
8.Amend may never come too late.
10.It is incumbent on me to reclaim him
