Philippians 2:4, 6-7
Philippians 2:4 ESV
Let each of you look not only to his own interests, but also to the interests of others.
Philippians 2:6-7 ESV
who, though he was in the form of God, did not count equality with God a thing to be grasped, but emptied himself, by taking the form of a servant, being born in the likeness of men.