He existed before He was born

In the beginning was the Word, and the Word was with God, and the Word was God. He was in the beginning with God.

(John 1:1-2)

Have this attitude in yourselves which was also in Christ Jesus, who, although He existed in the form of God, did not regard equality with God a thing to be grasped, but emptied Himself, taking the form of a bond-servant, and being made in the likeness of men. Being found in appearance as a man, He humbled Himself by becoming obedient to the point of death, even death on a cross.

(Philippians 2:5-8)

John 1:15  John *testified about Him and cried out, saying, "This was He of whom I said, 'He who comes after me has a higher rank than I, for He existed before me.'"