I read through your post, and am just highlighting this one bit because of the striking pattern in the gospels of Christ directly and emphatically challenging his disciples to
think harder, more:
There are many moments like this:
Mark 8:21 Then He asked them, "Do you still not understand?"
And other wordings, which are about challenging them to think it through, make the mental breakthrough, try harder mentally.
So, really, Christ is prodding his followers, many times, to think, try to figure out more, themselves.
This isn't the other way of just 'lean on your own understanding' where a person ignores what God teaches. It instead means to listen and hear what He, Christ, is saying, and think it through more. Listen to Him and think on what He says, more.