Complex sentence: Parker has evidently received a good education, and before meeting Wimsey, one of his pursuits was evangelical theory; he is mentioned as reding a bit of Biblical commetary as a relaxation befroe going to sleep.
Split into simpler sentences: Parker has evidently received a good education, and before meeting Wimsey, one of his pursuits was evangelical theory. He is mentioned as reading some Biblical commetary as a relaxation befroe going to sleep.