I never did. Anywhere. Not once
"cos I already know this stuff". I mean, the whole reply was "Why not address your replies to the person asking the question, cos I already know this stuff." so I don't see how you missed it. Why are you playing dumb?
Are you now going to try to pretend you can know a tidbit without believing a tidbit?
"I know the sky is blue" == "I believe the sky is blue"
"I know some think the sky is blue" == "I believe some think the sky is blue"
If you weren't agreeing with me, what did you mean to say this time? You gotta start being clearer.