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4 In those days, and in that time, saith the LORD, the children of Israel shall come, they and the children of Judah together, going and weeping; they shall go, and seek the LORD their God.
'Shafts' or 'arrows' signify truths and spiritual truth.
(Notae: Apocalypse Revealed 299)
7 He was oppressed, yet when he was afflicted he didn't open his mouth. As a lamb that is led to the slaughter, and as a sheep that before its shearers is mute, so he didn't open his mouth.