Ephesians 6:9:

And, ye masters, do the same things unto them, forbearing threatening: knowing that your Master also is in heaven; neither is there respect of persons with him.

See also:

The Baseball Diamond of Healing
God Does Not Play Favorites
Why Can’t I Get Healed?
Objection: It’s up to God – God Will Heal Me If He Wants To
Objection: 3 John 2 Is a Greeting and Cannot Be Claimed as a Promise
Objection: Teaching Grace Gives People a License to Sin
Objection: The Lord Kills, Brings Down to the Grave, and Makes Poor (1 Samuel 2:6-7)
Objection: Any Other Objection Not Specifically Covered in This Book