Philippians 2

6 who, existing in the form of God,

did not consider being equal with God something to be grasped,

7 but emptied himself

by**Here "by" is supplied as a component of the participle ("taking") which is understood as means taking the form of a slave,

by**Here "by" is supplied as a component of the participle ("becoming") which is understood as means becoming in the likeness of people.

And being found in appearance like a man,