No.
Sin is forgiven with confession.
1 John 1:9 If we confess our sins, he is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.
There's a difference between confessing and repenting and doing works to pay off the debt we owe for our sin, as in penance.
Then if we do not confess, does He forgive us our sins and to cleanse us from all unrighteousness?
>> “There’s a difference between confessing and repenting and doing works to pay off the debt we owe for our sin, as in penance.” <<
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I whole heartedly agree!
Any action we take to earn ‘goodness’ in the eye of God, like giving a pittance to a homeless shelter, or handing a buck to an obviously starving woman on the street, is an attempt at salvation by works.
That is grossly different than following Yehova’s Torah, which he has written on the heart of every real believer.