you need HIS righteousness, because you have none of your own
do not be deceived, the only righteousness or goodness that you have is that which comes from Jesus living inside of you, that is if he even does
Romans 8:9
9 But ye are not in the flesh, but in the Spirit, if so be that the Spirit of God dwell in you. Now if any man have not the Spirit of Christ, he is none of his.
Ephesians 2:8-9
8 For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
9 Not of works, lest any man should boast.
Philippians 3:9
9 And be found in him, not having mine own righteousness, which is of the law, but that which is through the faith of Christ, the righteousness which is of God by faith:
2 Corinthians 5:21
21 For he hath made him to be sin for us, who knew no sin; that we might be made the righteousness of God in him.