“A charge to keep I have, A God to glorify, A never dying soul to save, And fit it for the sky. To serve the present age, My calling to fulfill: O may it all my powers engage, To do my Master’s will! Arm me with jealous care, As in Thy sight to live; And O Thy servant, Lord, prepare, A strict account to give! Help me to watch and pray, And on Thyself rely, Assured if I my trust…