This sentence made him think deep and at last he was very much convinced about the eternal truth-IGNORANCE IS SIN and therefore tried his best to do away with the ignorance of people by revealing the knowledge about self.
This sentence made. Him think deep. He was very much convinced about the eternal truth. This was at last. IGNORANCE IS SIN. IGNORANCE therefore tried his best. This was to do away with the ignorance of people by revealing the knowledge about self.