Just saw this.
Who told me this? It’s innate in us.
You know what sin is, you know what it isn’t. But for those that don’t sin is ordained by god and written in the Bible.
It’s easy to see what happens when you fall out of gods grace.
Discussion
No. It’s a rule embedded in your specific culture. A priest or parent or teacher told you.
And who told them? And who told them?
Someone who invented it. This person just made it up.
That is the reason sins are different in different cultures.