He later founded an Independent church, with Henry Burton;[2] he was rector of St Mary Staining, Oat Lane, Aldersgate, in London to 1662.
In 1644 his Gospell-Musick defended and promoted psalm-singing, and reprinted the preface to the Bay Psalm Book.
[6] He with Henry Jessey corresponded with Menasseh ben Israel, about the official return of Jews to England, and the supposed Lost Tribes found in North America.
[12] He defended infant baptism, and attacked John Goodwin on salvation by works.
[13] He wrote against witchcraft,[14] proposing an influential three-fold scheme of possession,[15] and astrology, regretting its prevalence.