Please Read Full Chapter of Genesis Chapter 4
Verses 1 To 26
Genesis 4: 3, 4, 5 (WEB)
3 As time passed, it happened that Cain
brought an offering to Yahweh from the fruit
of the ground. 4 Abel also brought some of the firstborn of his flock and of its fat. Yahweh respected Abel and
his offering, 5 but he didn't respect
Cain and his offering.