1 Cor 1:18,24, Rom 10:9, Rom 5:9, 1 Th 5:9

The gospel that Jesus is the Christ is the power of God for salvation to all who believe in it. (Rom 1:16, 1 Cor 1:18,24)

Rom 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.

1 Cor 1:18 For the preaching of the cross is to them that perish foolishness; but unto us which are saved it is the power of God. 24 But unto them which are called, both Jews and Greeks, Christ the power of God, and the wisdom of God.

God gives salvation to those who believe in Jesus as the Christ. (Rom 10:9, Rom 5:8-9, 1 Thess 5:9)

Rom 10:9 That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.

Rom 5:8 But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us. 9 Much more then, being now justified by his blood, we shall be saved from wrath through him.

1 Thess 5:9 For God hath not appointed us to wrath, but to obtain salvation by our Lord Jesus Christ,