Isaiah 42:19 Who is blind, but my servant? or deaf, as my messenger that I sent? who is blind as he that is perfect, and blind as the Lord's servant?
The SOP in the quote below defines this as "good" blindness, where we are not acquainted with all the evil that's out there.
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Who is blind, but my servant? or deaf, as my messenger that I sent? [Isaiah 42:19.] God does not wish us to hear all that is to be heard, or to see all that is to be seen. It is a great blessing to close the ears, that we hear not, and the eyes, that we see not. The greatest anxiety should be to have clear eyesight to discern our own shortcomings, and a quick ear to catch all needed reproof and instruction, lest by our inattention and carelessness we let them slip, and become forgetful hearers, and not doers of the work.Vol. I. p 707. {GW92 250.1}
Isa 33:15 He that walketh righteously, and speaketh uprightly; he that despiseth the gain of oppressions, that shaketh his hands from holding of bribes, that stoppeth his ears from hearing of blood, and shutteth his eyes from seeing evil;