It’s commonly believed that Cain was Adam and Eve’s firstborn. But not everybody remembers that before Cain, Eve had twins. Scary twins. Their names are Sin and Death. In Scripture we can read about the process of these twins’ birth.… 

“And do not give the devil a foothold… Get rid of all bitterness, rage and anger, brawling and slander, along with every form of malice. Be kind and compassionate to one another, forgiving each other, just as in Christ God…