Here is the summary of the lessons learnt;
Is it good to offer sacrifice unto God? Yes it is good. The sacrifice we can offer unto God is a spiritual sacrifice.
Psalms 92:1 KJV
Offering of thanksgiving to God i very essential and this is a spiritual sacrifice.
Genesis 4:7 KJV
The sacrifice of Can was rejected by God because he did not acknowledge God.
His heart was not in line with God.
1 John 3:12 KJV
The sacrifice of the wicked is an abomination unto God.
Proverbs 15:8 KJV
Cain was evil in God's sight and that's why his offering was not accepted.
For God to accept our thanksgiving offering, we must offer ourselves first as an instrument of righteousness. We must turn away from evil and redirect our steps back to God.
God searches the heart and the mind, we are to acknowledge God in our heart so for our offering to be acceptable before God.