***Didn’t Jesus take care to instruct the apostles to pass on only what they had been taught?***
And that’s what scripture is,they wrote down what we need..
The Magesterium is a bunch of made up hooey.
Which Magisterium??
The official Catholic one or the ersatz "one man" variety of which there are legion?
Everyone has a "Magisterium". If you dispense with the Catholic one, you erect your own personal version.