Romans 5:7–8 (ESV)
⁷ For one will scarcely die for a righteous person—though perhaps for a good person one would dare even to die— ⁸ but God shows his love for us in that while we were still sinners, Christ died for us.

John 3:16 (ESV)
¹⁶ “For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.

Ephesians 1:7 (ESV)
⁷ In him we have redemption through his blood, the forgiveness of our trespasses, according to the riches of his grace,

John Piper writes, “I have heard it said, ‘God didn’t die for frogs.  So he was responding to our value as humans.’  This turns grace on its head.  We are worse than frogs.  They have not sinned.  They have not rebelled and treated God with the contempt of being inconsequential in their lives.  God did not die for frogs.  They aren’t bad enough.  We are.  Our debt is so great, only a divine sacrifice could pay it” (The Passion of Jesus Christ, 29).