Here am I send me. ...
"Render the hearts of this people insensitive, Their ears dull, And their eyes dim, Otherwise they might see with their eyes, Hear with their ears, Understand with their hearts, And return and be healed."
Isaiah 6:10 NASB
Repentance means literally to turn around.
In their case the prophecy of Isaiah is being fulfilled, which says, 'Y ou will keep on hearing , but will not understand ; Y ou will keep on seeing , but will not perceive ;
Matthew 13:14 NASB
F or the heart of this people has become dull , W ith their ears they scarcely hear , A nd they have closed their eyes , O therwise they would see with their eyes , H ear with their ears , A nd understand with their heart and return , A nd I would heal them .'
Matthew 13:15 NASB