What other type of sin is there, if not willing? Isn't the very definition of sin a willful act of rebellion against God?
Leviticus 5:17-19
If a person sins and violates any of the Lord's commandments which must not be violated (although he did not know it at the time...
AMEN!
No, your concept here is dead wrong.
Sin as a master is present in the very body, soul, and spirit as a predisposition to commit sins, from the moment of conception.
The disposition to sin--whether determinate and carried out, preferred but suppressed, or inadvertent--has indwelt every human being since Adam's fall from sinlessness. This is "original" sin, unlearned and innate to the human being, a consequence of the deceived Eve's error and Adam's determined, rational disobedience that affected all Creation, bringing depravity, degradation, and death.
Babies do not need to be taught how to commit sin. No, they have to learn how to recognize, minimize, and suppress sinfulness to be useful to themselves and others about them.