Acts 28:20, 1 Tim 1:1, Rom 15:12, Col 1:27
In the Old Testament, David confessed that God was the only hope of salvation. (Psalms 62:5-8)
Psalms 62:5 My soul, wait thou only upon God; for my expectation is from him. 6 He only is my rock and my salvation: he is my defence; I shall not be moved. 7 In God is my salvation and my glory: the rock of my strength, and my refuge, is in God. 8 Trust in him at all times; ye people, pour out your heart before him: God is a refuge for us. Selah.
Jesus is the Christ, the hope of salvation for all. (Acts 28:20, Rom 15:12, 1 Tim 1:1, Col 1:27)
Acts 28:20 For this cause therefore have I called for you, to see you, and to speak with you: because that for the hope of Israel I am bound with this chain.
Rom 15:12 And again, Esaias saith, There shall be a root of Jesse, and he that shall rise to reign over the Gentiles; in him shall the Gentiles trust.
1 Tim 1:1 Paul, an apostle of Jesus Christ by the commandment of God our Saviour, and Lord Jesus Christ, which is our hope;
Col 1:27 To whom God would make known what is the riches of the glory of this mystery among the Gentiles; which is Christ in you, the hope of glory: