For the military guard [under which I am kept] hinders my purpose, and does not permit me to go further. Nor indeed, in the state I am now in, can I either do or suffer anything. Wherefore deeming the practice of writing the second resource of friends for their mutual encouragement, I salute thy sacred soul, beseeching of thee to add still further to thy vigour. For our present labour is but little, while the reward which is expected is great.