Hebrews 5:8
Though he was a Son (kaiper wn uiov). Concessive participle with kaiper, regular Greek idiom as in Hebrews 7:5; Hebrews 12:17.
Yet learned obedience (emaqen upakohn). Second aorist active indicative of manqanw. Succinct and crisp statement of the humanity of Jesus in full harmony with Luke 2:40, Luke 2:52 and with Hebrews 2:10.
By the things which he suffered (af wn epaqen). There is a play on the two verbs (emaqen—epaqen), paronomasia. Second aorist active indicative of pasxw. He always did his Father's will (John 8:29), but he grew in experience as in wisdom and stature and in the power of sympathy with us.
