If we be not in good earnest in religion, and our wills and inclinations be not strongly exercised, we are nothing. The things of religion are so great, that there can be no suitableness in the exercises of our hearts, to their nature and importance, unless they be lively and powerful. In nothing is vigour in the actings of our inclinations so requisite, as in religion; and in nothing is lukewarmness so odious.