“If you will say then, ‘What are the true and proper gospel grounds, reasons, uses, and motives of our obedience; whence the necessity thereof may be demonstrated, and our souls be stirred up to abound and be fruitful therein?’ I say, they are so many, and lie so deep in the mystery of the gospel and dispensation of grace, spread themselves so throughout the whole revelation of the will of God unto us, that to handle them fully and distinctly, and to give them their due weight, is a thing that I cannot engage in, lest I should be turned aside from what I principally intend. I shall only give you some brief heads of what might at large be insisted on:—