The Bible says it, I believe it: part 1
Every single person on earth is made in the image of God.
“Then God said, “Let us make human beings in our image, to be like us. They will reign over the fish in the sea, the birds in the sky, the livestock, all the wild animals on the earth, and the small animals that scurry along the ground.” So God created human beings in his own image. In the image of God he created them; male and female he created them.”
Genesis 1:26-27 NLT
The implications are numerous. petty mocking of appearances being a sin is one of the first things to come to mind.
The inherent value of immigrants, illegal or legal, is also up there.
Examine your heart & promptly go argue with a wall.