Our little work of accepting each other in the church is part of the big work God is doing in the world.
"Humble yourselves, therefore, under the might hand of God so that at the proper time he may exalt you" (1 Peter 5:6).
Paul praised God the Father for choosing us and predestining us to be his children.
Even though it was hard for the Hebrew slaves to see it, and hard for us sometimes, God does care.