35Take heedσκόπειthereforeοὖνlestμὴtheτὸlightφῶςthat [is]τὸinἐνyouσοὶdarknessσκότοςbeἐστίν.
Take heed, therefore, [that] the light that [is] in you is not darkness.
σκόπει
σκοπέω
regard attentively, take heed