The Religious Affections by Jonathan Edwards

They therefore do directly thwart God's wise and gracious constitution of things, who exhort others to be confident in their hope, when in dead frames; under a notion of living by faith, and not by sight, and trusting God in the dark, and living upon Christ, and not upon experiences; and warn them not to doubt of their good estate, lest they should be guilty of the dreadful sin of unbelief. And it has a direct tendency to establish the most presumptuous hypocrites, and to prevent their ever calling their state in question, how much soever wickedness rages, and reigns in their hearts, and prevails in their lives; under a notion of honouring God, by hoping against hope, and confidently trusting in God, when things look very dark. And doubtless vast has been the mischief that has been done this way.

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