What does the tenth Commandment require? That not even the least inclination or thought against any commandment of God ever enter our heart, but that with our whole heart we continually hate all sin and take pleasure in all righteousness (Rom. 7:7–8).

Q. 86. What is forbidden in the tenth commandment? A. The tenth commandment forbids all discontentment with our own estate (1 Kings 21:4; Est. 5:13; 1 Cor. 10:10), envying or grieving at the good of our neighbor (Gal. 5:26; James 3:14, 16), and all inordinate motions and affections to anything that is his (Rom. 7:7–8; 13:9; Deut. 5:21).

Moral corruption fighting against the law, for the crucifying and mortifying of which Christ himself died on the cross, if it be not properly sin, then Scripture has not explained to us what the property of any habitual sin is.

Whatever differs from the norm of the law is sin: but concupiscence in the regenerate differs from the norm of the law. Therefore.

Lust in the bud; that is, the first risings of lust, even before the consent of the will to them; the first openings of particular lusts, sometimes not regarded nor noticed, and so neither approved nor disapproved; and sometimes checked in their very rising, Rom. 7:15. But however it be, they are sins here forbidden, though the Papists will not allow them to be so