Some are apt to deceive themselves, and to think that once repenting is sufficient for all their sins; so that when this is done, they think themselves beforehand with God for all the sins that they shall commit for the future: but such must know, that repentance is still to follow sin; and he that does not repent continually, never repented so much as once truly. What needed the prophet Jeremy to have wished his head a fountain, in order to his weeping for sin, did not that require such a stream as was to follow without intermission? A fountain of sin may well require a fountain of sorrow. For repentance cannot be effectual, but as it bears some proportion to sin: and unless one be as continual as the other, there is no proportion between them.

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