τὸν πάνθ' ὁρῶντα καὐτὸν οὐχ ὁρώμενον → the all-seeing though himself unseen
αἴφνης, ἐξαίφνης, ἄφνω, ἐξαπίνης, αἰφνίδιος, ἁθρόος, ἐξαιφνίδιος