John Gill - Exposition
John Gill
The thoughts of foolishness [is] sin,.... The thought of sin is sin (e), before it comes into action; the motions of sin in the mind, the workings of corrupt nature in the heart, the sinful desires of the flesh and of the mind: these are forbidden and condemned by the law of God as sin, which says, "Thou shall not covet", Exodus 20:17, and stand in need of pardoning grace and mercy; see Romans...