10. What is sin?

Sin is an act, whether in deed or thought, that breaks the command of God.No

– Galatians 5:19
19. Now the works of the flesh are manifest, which are these: Adultery,
20. Idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies.
21. Envyings, murders, drunkenness, reveling, and such like: of which I tell you before, as I have also told you in time past, that they which do such things shall not inherit the kingdom of God.

– James 4:17
17. Therefore to him that knoweth to do good, and doeth it not, to him it is sin.