'I'm in the Lord's hands,' he said humbly. 'I'm but a penny whistle for His breath to blow on.' This he said with such solemnity that the meaning of a fanatic was suddenly revealed to me. One or two distorted notions, a wild imagination, and fierce passions, and there you have the ingredients ready.

Ch. 3 "The Canongate Tollbooth" - Salute to Adventurers (1915)