1 Corinthians 15:2-4

2By this gospel you are saved, if you hold firmly to the word I preached to you. Otherwise, you have believed in vain. 3For what I received I passed on to you as of first importance Or you at the first : that Christ died for our sins according to the Scriptures, 4that he was buried, that he was raised on the third day according to the Scriptures,