See that you buy the field where the Pearl is; sell all, and make a purchase of salvation. Think it not easy: for it is a steep ascent to eternal glory: many are lying dead by the way, slain with security.

In 1627 he was settled as minister of Anwoth in Kirkcudbrightshire Galloway from where he was baniSamuel Rutherfordd to Aberdeen for nonconformity. He was one of the Scottish Commissioners to the Westminster Assembly of Divines in London and after his return to Scotland he became Rector of St. On the re-establishment of Presbyterianism in 1638 he was made Professor of Divinity at St.