chosen = destined. Greek. procheirizomai. Only here and Act_26:16. Not the same as in Act_1:2, &c.
that thou shouldest know = to know. Greek. ginosko.App-132.
will. Greek. thelema.App-102.
see. Greek. eidon. App-133.
that Just One = the Righteous One. Greek. dikaios.App-191. Compare Act_3:14; Act_7:52. 1Jn_2:1. Figure of speech Antonomasia.App-6. Paul was thus led to avoid using any term that would excite his hearers.
shouldest hear = to hear.
the voice of His mouth = His commands. Figure of speech Idioma.App-6. Paul thus received his commission direct from the Lord Himself. Compare Gal_1:1, Gal_1:12.