1 John 3:11-16 (New International Version)

Love one another

 ¹¹This is the message you heard from the beginning: We should love one another. ¹²Do not be like Cain, who belonged to the evil one and murdered his brother. And why did he murder him? Because his own actions were evil and his brother's were righteous. ¹³Do not be surprised, my brothers, if the world hates you. ¹⁴We know that we have passed from death to life, because we love our brothers. Anyone who does not love remains in death. ¹⁵Anyone who hates his brother is a murderer, and you know that no murderer has eternal life in him.

 ¹⁶This is how we know what love is: Jesus Christ laid down his life for us. And we ought to lay down our lives for our brothers.