Does the plowman keep plowing all day to sow? does he keep opening and breaking the clods of his ground?

Seeing many things, but you observe not; opening the ears, but he hears not.

The spirit of the Lord GOD is upon me; because the LORD has anointed me to preach good tidings unto the meek; he has sent me to bind up the brokenhearted, to proclaim liberty to the captives, and the opening of the prison to them that are bound;

And it shall come to pass, that he who flees from the noise of the fear shall fall into the pit; and he that comes up out of the midst of the pit shall be taken in the snare: for the windows from on high are open, and the foundations of the earth do shake.

Who are these that fly as a cloud, and as the doves to their windows?

And the key of the house of David will I lay upon his shoulder; so he shall open, and none shall shut; and he shall shut, and none shall open.

He was oppressed, and he was afflicted, yet he opened not his mouth: he is brought as a lamb to the slaughter, and as a sheep before her shearers is dumb, so he opened not his mouth.