Shorter Catechism

Q 14. What is sin?

A. Sin is any want of conformity unto, or transgression of, the law of God.1

Larger Catechism

Q 24. What is sin?

A. Sin is any want of conformity unto, or transgression of, any law of God, given as a rule to the reasonable creature.2

1. Leviticus 5:17

   “If anyone sins, doing any of the things that by the Lord's commandments ought not to be done, though he did not know it, then realizes his guilt, he shall bear his iniquity.

   James 4:17

   So whoever knows the right thing to do and fails to do it, for him it is sin.

   1 John 3:4

   Everyone who makes a practice of sinning also practices lawlessness; sin is lawlessness. (ESV)

2. Leviticus 5:17

   “If anyone sins, doing any of the things that by the Lord's commandments ought not to be done, though he did not know it, then realizes his guilt, he shall bear his iniquity.

   James 4:17

   So whoever knows the right thing to do and fails to do it, for him it is sin.

   1 John 3:4

   Everyone who makes a practice of sinning also practices lawlessness; sin is lawlessness.

   Galatians 3:10

   For all who rely on works of the law are under a curse; for it is written, “Cursed be everyone who does not abide by all things written in the Book of the Law, and do them.”

   Galatians 3:12

   But the law is not of faith, rather “The one who does them shall live by them.” (ESV)