2 Corinthians 6:1

1Working togetherΣυνεργοῦντεςnowδὲalsoκαὶwe exhortπαρακαλοῦμενnotμὴinεἰςvainκενὸνtheτὴνgraceχάριντοῦof Godθεοῦto receiveδέξασθαιyouὑμᾶς·

And working together, we also exhort you⁺ not to receive the grace of God in vain.