1 Corinthians 3:18

18No oneΜηδεὶςhimselfἑαυτὸνlet deceiveἐξαπατάτω·ifεἴanyoneτιςthinks [himself]δοκεῖwiseσοφὸςto beεἶναιamongἐνyouὑμῖνinἐνtheτῷageαἰῶνιthisτούτῳ,foolishμωρὸςlet him becomeγενέσθω,so thatἵναhe may becomeγένηταιwiseσοφός,

Let no one deceive himself: If anyone thinks [himself] to be wise among you⁺ in this age, let him become foolish, so that he may become wise.