Isaiah
Isaiah 50:5ESV·traditional attribution

The Lord GOD has opened my ear, and I was not rebellious; I turned not backward.

Matthew Henry Presbyterian @wholebiblehenry

Our Lord Jesus, having proved himself able to save, here shows himself as willing as he is able to save, here shows himself as willing as he is able. We suppose the prophet Isaiah to say something of himself in these verses, engaging and encouraging himself to go on in his work as a prophet, notwithstanding the many hardships he met with, not doubting but...

Commenting on Isaiah 50:4-9

John Gill Reformed Baptist @doctorgill

The Lord God hath opened mine ear,.... To hear most freely, and receive most fully, what is said by him, and to observe and do it: the allusion seems to be to the servant that had his ears bored, being willing to serve his master for ever, Exo 21:5 which phrase of boring or opening the ear is used of Christ, Psa 40:6.

Jamieson-Fausset-Brown Reformed @jfbcommentary

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).