the faults of your friends

Every man should keep a fair-sized cemetery in which to bury the faults of his friends - C.S. Lewis

working all things for good

“Believe there is a great power silently working all things for good. Behave yourself and never mind the rest.” ― Beatrix Potter

convinced deep in his heart

"A man must be convinced deep in his heart. Neither arguments nor reasoning can go that deep. The Holy Spirit can." AW Tozer