what I believe he's getting at with "If I knew now what I knew then" is that when you're a kid, you thing you know everything about everything. Thing seem more simple when you "know everything", so I think he's saying if he knew everything now like he did when he was a kid, he'd have all the answers and everything would be easy.
what I believe he's getting at with "If I knew now what I knew then" is that when you're a kid, you thing you know everything about everything. Thing seem more simple when you "know everything", so I think he's saying if he knew everything now like he did when he was a kid, he'd have all the answers and everything would be easy.