Whereby thou shalt be saved, thou and all thy house (en hois sōthēsēi su kai pās ho oikos sou). Future passive indicative of sōzō, to save. Clearly Cornelius was unsaved in spite of his interest in Jewish worship. Clearly also the household of Cornelius would likewise be won to Christ by the words of Simon Peter. This is household conversion before the household baptism (Act 10:48; Act 11:17).