Question 113: What does the tenth commandment require of us?

Answer: That even the smallest inclination or thought, contrary to any of God's commandments, never rise in our hearts; but that at all times we hate all sin with our whole heart, and delight in all righteousness. (a)

(a) Rom.7:7 What shall we say then? Is the law sin? God forbid. Nay, I had not known sin, but by the law: for I had not known lust, except the law had said, Thou shalt not covet.