Cross-references Explore similar Bible verses on 1 Corinthians 15:2 in English Standard Version "and by which you are being saved, if you hold fast to the word I preached to you—unless you believed in vain." 1Co 1:18 For the word of the cross is folly to those who are perishing, but to us who are being saved it is the power of God. 1Co 11:2 Now I commend you because you remember me in everything and maintain the traditions even as I delivered them to you. Ga 3:4 Did you suffer so many things in vain—if indeed it was in vain? Heb 3:6 but Christ is faithful over God’s house as a son. And we are his house, if indeed we hold fast our confidence and our boasting in our hope. Heb 3:14 For we have come to share in Christ, if indeed we hold our original confidence firm to the end.