Why was Cain’s offering unacceptable to God?
There are two aspects of Cain’s offering, which found him unapproved before God: (1) his attitude and (2) the type of offering. Eventually, Cain and Abel came before God with their offerings. “Cain brought of the fruit of the ground an offering to Jehovah.” (Gen 4:3, ASV) “Abel also brought of the firstborn of his flock and of their fat portions.” (Gen 4:4, ESV) It is likely that both Cain and Abel were close to 100 years old at the time, as Adam was 130 years old when he fathered his third son, Seth. (Gen 4:25; 5:3) We can establish that the two sons became aware of their sinful state, and sought our God’s favour. How they garnered this knowledge is guesswork, but it is likely by way of the father, Adam. Adam likely informed them about the coming seed and the hope that lie before humankind. Therefore, it seems that they had given some thought to their condition and stand before God, and realized that they needed to try to atone for their sinful condition. The Bible does