Isaiah 50:4

that I should know, &c. He spake none other words than those given Him by the Father. Compare the seven times this was asserted by Messiah (John 7:16 ; John 8:28 , John 8:46 , John 8:47 ; John 12:49 ; John 14:10 , John 14:24 ; John 17:8 ).

wakeneth = [continually] wakeneth.

to hear as the learned = to hearken as do the instructed.

learned = taught.