By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain.
Berean Study Bible (BSB) - 1 Corinthians 15:2 >By this gospel you are saved, if you hold firmly to the word I preached to you. Otherwise, you have believed in vain.
Textus Receptus (TR) - 1 Corinthians 15:2 >δι᾿ οὗ καὶ σώζεσθε· τίνι λόγῳ εὐηγγελισάμην ὑμῖν, εἰ κατέχετε, ἐκτὸς εἰ μὴ εἰκῇ ἐπιστεύσατε.