Adams on Psalm 106:6,13,15

6 We have sinned with our fathers. Let us look a little further back, to find the age of sin; even as far as the original, from whence comes all the copy of imitation. Be they never so new in act, they are old in example: "We have sinned with our fathers." God tells them they had rebelled of old; "As your fathers did, so do ye" (Acts 8:51). Antiquity is no infallible argument of goodness: though Tertullian says the first things were the best things; and the less they distanced from the beginning, the poorer they were; but he must be understood only of holy customs. For iniquity can plead antiquity: he that commits a new act of murder finds it old in the example of Cain; drunkenness may be fetched from Noah; contempt of parents from Ham; women's lightness from the daughters of Lot. There is no sin but hath white hairs upon it, and is exceeding old. But let us look further back yet, even to Adam; there is the age of sin. This is that St Paul calls the old man; it is almost as old as the root, but older than all the branches. Therefore our restitution by Christ to grace is called the new man.

13 They soon forgat his works They forgat, yea, "soon"; they made haste to forget, so the original is: "They made haste, they forgat." Like men that in sleep shake Death by the hand, but when they are awake they will not know him.

15 And he gave them their request, etc The throat's pleasure did shut up paradise, sold the birthright, beheaded the Baptist and it was the chief of the cooks, Nebuzaradan, that first set fire to the temple, and razed the city. These effects are,
1. Grossness; which takes away agility to any good work; which makes a man more like a tun upon two pottle pots. Caesar said he mistrusted not Antony and Dolabella for any practices, because they were fat; but Casca and Cassius, lean, hollow fellows, who did think too much. The other are the devil's crammed fowls, too fat to lay. Indeed, what need they travel far, whose felicity is at home; placing paradise in their throats, and heaven in their food?
2. Macilency (leanness) of grace; for as it puts fatness into their bodies, so leanness into their souls. God fatted the Israelites with quails, but withal sent leanness into their soul. The flesh is blown up, the spirit doth languish. They are worse than man eaters, for they are self eaters: they put a pleurisy into their bloods, and an apoplexy into their souls.

As quoted in Spurgeon's Treasury of David.