Romans 5:3

3Notοὐonly [so]μόνονnowδέ,butἀλλὰalsoκαὶwe gloryκαυχώμεθαinἐνταῖςtribulationsθλίψεσιν,knowingεἰδότεςthatὅτιἡtribulationθλῖψιςperseveranceὑπομονὴνproducesκατεργάζεται,

And not only [so], but also we boast in tribulations, knowing that tribulation produces perseverance;