A letter to the Rev. Samuel Hopkins, Bishop of a church in Newport; and the Rev. Moses Hemminway, Bishop of a church in Wells / By a lunar hermit. ; Containing I. Some advice to those two reverend disputants. II. An abridgement of an old book written long ago, by the man-in-the-moon. In which is shown, I. What things are holy, sinful, and indifferent. 2. What is the nature of duty; and that the unregenerate do many duties. 3. That there is no rightness in the doings of the unregenerate. III. An appendix, containing I. An explanation and proof of a power of self-determination. 2. The explanation and proof of the being of principles in the human mind. 3. Proof of the ethico-physical inability of sinners. 4. An explanation and vindication of next and remote powers.