opened ... ear - (See on Isa 42:20; Isa 48:8); that is, hath made me obediently attentive (but Maurer, “hath informed me of my duty”), as a servant to his master (compare Psa 40:6-8, with Phi 2:7; Isa 42:1; Isa 49:3, Isa 49:6; Isa 52:13; Isa 53:11; Mat 20:28; Luk 22:27).
not rebellious - but, on the contrary, most willing to do the Father’s will in proclaiming and procuring salvation for man, at the cost of His own sufferings (Heb 10:5-10).