In the early days of Cain and Abel the offerings were not so much for sin as they were of gratitude and this was shown by giving some of the best firstfruits of what God had provided… whether fruit, grain or livestock. Deuteronomy 26:2 says, “Take some of the firstfruits of all that you produce from the soil of the land the LORD your God is giving you and put them in a basket.”- Keeping this idea in mind, let’s compare the nature of Abel’s sacrifice with Cain’s sacrifice.