As touching nature I am a worm of this earth, and yet a subject of this commonwealth; but as touching the office wherein it has pleased God to place me [head of the Reformed church in Scotland], I am a watchman... For that reason I am bound in conscience to blow the trumpet publicly.
As quoted in World Studies for Christian Schools (2000) by Terri Koontz, Mark Sidwell & S. M. Bunker, ISBN 1-59166-431-4