So... in those occasional instances when we observe ourselves sinning, it's someone else's will involved and not our own? Have we become robotic machines in those instances? Whose will is it if not our own?
Whatever we do, begins with a thought and from there proceeds our will to either act or not act on that thought.
Heb 10:26 must be understood in context.
Do you not get AT ALL what WORK AT YOUR SALVATION means?
Do you not get that PAUL, PAUL, Paul says to TRAIN YOURSELF?
Do you understand what it is to train?
Luke 6:40
A student is not above his teacher, but everyone who is fully
trained will be like his teacher.
1 Corinthians 9:25
Everyone who competes in the games goes into strict
training. They do it to get a crown that will not last; but we do it to get a crown that will last forever.
1 Timothy 4:7, 8
Have nothing to do with godless myths and old wives’ tales; rather,
train yourself to be godly. For physical training is of some value, but godliness has value for all things, holding promise for both the present life and the life to come.
2 Timothy 3:16
All Scripture is God-breathed and is useful for teaching, rebuking, correcting and
training in righteousness,
Titus 2:4
Then they can
train the younger women to love their husbands and children,
Hebrews 5:14
But solid food is for the mature, who by constant use have
trained themselves to distinguish good from evil.
Hebrews 12:11
No discipline seems pleasant at the time, but painful. Later on, however, it produces a harvest of righteousness and peace for those who have been
trained by it.
Did you read all that?
Now tell me how you can say we do not have to repent?
Tell me how you ever can say again that our behavior does not matter.