he mind to be conversant in heaven. It is an excellent preservative from sin and the wiles of the devil, and a powerful antidote against the poison of the old serpent. It is a duty whereby strength is derived from God against the lusts and corruptions of the heart, and the snares of the world. It hath a great tendency to keep the soul in a wakeful frame, and to lead us to a strict walk with God, and to a life that shall be fruitful in such good works, as tend to adorn the doctrine of Christ, and to cause our light so to shine before others, that they, seeing our good works, shall glorify our Father who is in heaven And if the duty be constantly and diligently attended, it will be a very pleasant duty. Slack and slothful attendance upon it, and unsteadiness in it, are the causes which make it so great a burden as it is to some persons. Their slothfulness in it hath naturally the effect to beget a dislike of the duty and a great indisposition to it. But if it be constantly and diligently attended, it is one of the best means of leading not only a Christian and amiable, but also a pleasant life; a life of much sweet fellowship with Christ, and of the abundant enjoyment of the light of his countenance. Besides, the great power which prayer, when duly attended, hath with God, is worthy of your notice. By it men become like Jacob, who, as a prince, had power with God, and prevailed, when he wrestled with God for the blessing. See the power of prayer represented in James 5:16,18. By these things you may be sensible how much you will lose, if you shall be negligent of this great duty of calling upon God; and how ill you will consult your own interest by such a neglect.I conclude my discourse with two directions in order to constancy and perseverance in this duty. 1. Watch against the beginnings of a neglect of this duty. Persons who have for a time practiced this duty, and afterwards neglect it, commonly leave it off by degrees. While their con...