When sin lets us alone we may let sin alone; but as sin is never less quiet than when it seems to be most quiet, and its waters are for the most part deep when they are still, so ought our contrivances against it to be vigorous at all times and in all conditions, even where there is least suspicion.
When the heart is once won to rest in God, to repose himself on him, he will assuredly satisfy it. He will never be as water that fails; nor hath he said at any time to the seed of Jacob, "Seek ye my face in vain." If Christ be chosen for the foundation of our supply, he will not fail us.