Unintentional Sin, a Biblical Question(s)?


So I’m guessing that intentional sin is when you know something is wrong but you do it anyway. And unintentional sin is when you do something wrong b̶u̶t̶ because you don’t know that you’ve done something wrong. 

Is this possible? Does this make sense?

I’ve heard people say that they’ve done wrong things but never did they think that they were right, as they did the wrong thing. Can you unintentionally ‘sin’, or do wrong “unintentionally”? If you were of God in the first place would it matter?

Leviticus 4:1-3:

Now the LORD spoke to Moses, saying, “Speak to the children of Israel, saying: ‘If a person sins unintentionally against any of the commandments of the LORD in anything which ought not to be done, and does any of them, if the anointed priest sins, bringing guilt on the people, then let him offer to the LORD for his sin which he has sinned a young bull without blemish as a sin offering.[‘”]

If you know something is wrong, would you do it anyway if you were really of God?