λύχνον μεθ' ἡμέραν ἅψας περιῄει λέγων ἄνθρωπον ζητῶ → he lit a lamp in broad daylight and said, as he went about, I am looking for a man
inf. ao. de πράσσω.
πρᾶξαι: inf. aor. 2 к πράσσω.