• Genesis 4:8-10
  Now Cain talked with Abel his brother; and it came to pass, when they were in the field, that Cain rose up against Abel his brother and killed him. Then the LORD said to Cain, 'Where is Abel your brother?' He said, 'I do not know. Am I my brother's keeper?' And He said, “What have you done? The voice of your brother’s blood cries out to Me from the ground.
   
• Genesis 4:5
  but He did not respect Cain and his offering. And Cain was very angry, and his countenance fell.
   
• Hebrews 11:4
  By faith Abel offered to God a more excellent sacrifice than Cain, through which he obtained witness that he was righteous, God testifying of his gifts; and through it he being dead still speaks.
   
• 1 John 3:12
  not as Cain who was of the wicked one and murdered his brother. And why did he murder him? Because his works were evil and his brother's righteous.
   

Related Scriptures

• 1 John 3:15
  Whoever hates his brother is a murderer, and you know that no murderer has eternal life abiding in him.
   
• 1 John 4:20-21
  If someone says, "I love God," and hates his brother, he is a liar; for he who does not love his brother whom he has seen, how can he love God whom he has not seen? And this commandment we have from Him: that he who loves God must love his brother also.
   
• 1 John 3:10-11
  In this the children of God and the children of the devil are manifest: Whoever does not practice righteousness is not of God, nor is he who does not love his brother. For this is the message that you heard from the beginning, that we should love one another,