He preached the true religion, destroyed Jerusalem ("Urashlam," i.e.
Even our Saviour preached liberty and equality.
He assisted the elder Calamy in writing Smectymnuus (1641), and preached before parliament in 1643.
About 1639 he entered upon the career of an itinerant preacher, and for preaching in various parts of Wales he was twice arrested in 1640; however, he was not punished and during the Civil War he preached in and around London.
From his pillar he preached and exercised a great influence, converting numbers of heathen and taking part in ecclesiastical politics.