Ex 15:2, 1 Cor 1:24, Rom 1:16
In the Old Testament, David praised God for his deliverance from all his enemies and confessed that God is his strength. (Psalms 18:1)
Psalms 18:1 I will love thee, O Lord, my strength.
In the Old Testament, Moses, exodus from Egypt, confessed that God is his strength. (Ex 15:2)
Ex 15:2 The Lord is my strength and song, and he is become my salvation: he is my God, and I will prepare him an habitation; my father's God, and I will exalt him.
Jesus, the Christ, is the power of God. (1 Corinthians 1:24, Romans 1:16)
1 Corinthians 1:24 But unto them which are called, both Jews and Greeks, Christ the power of God, and the wisdom of God.
Romans 1:16 For I am not ashamed of the gospel of Christ: for it is the power of God unto salvation to every one that believeth; to the Jew first, and also to the Greek.