1 Corinthians 15:2

BIB(i) 2 δι’ (by) οὗ (which) καὶ (also) σῴζεσθε (you are being saved), τίνι (to the) λόγῳ (word) εὐηγγελισάμην (I proclaimed) ὑμῖν (to you), εἰ (if) κατέχετε (you hold fast); ἐκτὸς (unless) εἰ (if) μὴ (not), εἰκῇ (in vain) ἐπιστεύσατε (you have believed).