Roberts used all the means at his disposal to preach what he believed to be the truth, and in 1877 he sent a copies of his pamphlet "Prophecy and the Eastern Question" to all the members of the House of Lords and the House of Commons, receiving the following reply from Gladstone: "“DUNSTER, January 24th, 1877. Sir, Allow me to thank you for your tract, which I shall read with great interest; for I have been struck with the apparent ground for belief that the state of the East may be treated of in that field where you have been labouring Your faithful servant, W.E.Gladstone.”"