In this seclusion his weakened faith Anglicanism was shaken by the study of John Milner's "End of Religious Controversy", given him by Grant, who had become a Catholic in 1841. Lockhart now realised for the first time what Catholic doctrine was and he saw doubts confirmed in the irresolution of Newman, at this time seeking his "Via media" between Catholicism and Anglicanism. After a few weeks' hesitation, he declared to Newman that he could not go on for Anglican ordination doubting its validity as he did; Newman sent him to W. G. Ward, who persuaded him to return to Littlemore for three years.