Better, as Rev., in margin, as He doubtless doth, or, as American Rev., assuredly.
In hope (ἐπ' ἐλπίδι)
See on Rom 8:21. Resting on hope. Compare Aeschylus: “When hope has raised me up on strength (ἐπ' ἀλκᾶς); i.e. elated me with confidence” (“Choephoroe,” 407).
He that thresheth in hope should be partaker of his hope
The text is in error here. The true reading is ὁ ἀλοῶν ἐπ' ἐλπίδι τοῦ μετέχειν and; he that thresheth to thresh in hope of partaking.