In the mean while Cromwell in his quarters at Edinburgh laboured to unite the character of the saint with that of the conqueror; and, surrounded as he was with the splendour of victory, to surprise the world by a display of modesty and self-abasement. To his friends and flatterers, who fed his vanity by warning him to be on his guard against its suggestions, he replied, that he "had been a dry bone, and was still an unprofitable servant," a mere instrument in the hands of Almighty power; if God had risen in his wrath, if he had bared his arm and avenged his cause, to him, and to him alone, belonged the glory.[1] Assuming the office of a missionary, he exhorted his officers in daily sermons to love one another, to repent from dead works, and to pray and mourn for the blindness of their Scottish adversaries; and, pretending to avail himself of his present leisure, he provoked a theological controversy with the ministers in the castle of Edinburgh, reproaching them with pride in arrogating to themselves the right of expounding the true sense of the solemn league and covenant; vindicating the claim of laymen to preach the gospel and exhibit their spiritual gifts for the edification of their brethren; and maintaining that, after the solemn fasts observed by both nations, after their many and earnest appeals to the God of armies, the victory gained at Dunbar must be admitted an evident manifestation of the divine will in favour of the English commonwealth. Finding that he made no proselytes of his opponents, he published his arguments for the instruction of the Scottish people; but his zeal did not [Footnote 1: See a number of letters in Milton's State Papers, 18-35.] escape suspicion; and the more discerning believed that, under the cover of a religious controversy, he was in reality tampering with the fidelity of the governor.[1]