At the age of sixteen he returned to Springfield. He was anxious to continue his career as an artist, and as his parents were satisfied that he was now old enough to enter upon some permanent occupation, they agreed that his wishes should be submitted to a public meeting of the Society of Friends. The meeting was called, and the matter was laid before them, the boy himself being present. His relatives and friends were all very proud of his talents, but as the profession of an artist was so entirely at variance with all Quaker habits and ideas, they felt that the subject was one which ought not to be rashly decided. Silence prevailed for a long time after the opening of the meeting, but at length John Williamson, moved by the Spirit, rose and addressed the assemblage, declaring his belief that as the youth had not derived his fondness for art from any of his associations or surroundings, and since it was so manifestly a special gift from the Creator, it was their plain duty to bid him go forward in the path that had been marked out for him, and to wish him God-speed in his efforts. At the close of his remarks silence again fell upon the assembly. Then the women rose, and approaching the lad, one by one, kissed him on the cheek, and the men, laying their hands on his head, prayed that the Lord might verify in his life the value of the gift which had induced them, in spite of their religious tenets on the subject, to allow him to enter upon the permanent exercises of the profession so dear to his heart.
Thus was he dedicated to his art, and at the same time separated to a certain degree from his Quaker brethren. Not long after this he violated every principle of the Quaker dispensation by volunteering under Major Sir Peter Halket to go in search of the remains of Braddock’s army.