11. poor . . . knew--The humble, godly remnant knew by the event the truth of the prediction and of Messiah's mission. He had, thirty-seven years before the fall of Jerusalem, forewarned His disciples when they should see the city compassed with armies, to "flee unto the mountains." Accordingly, Cestius Gallus, when advancing on Jerusalem, unaccountably withdrew for a brief space, giving Christians the opportunity of obeying Christ's words by fleeing to Pella.
      waited upon me--looked to the hand of God in all these calamities, not blindly shutting their eyes to the true cause of the visitation, as most of the nation still do, instead of referring it to their own rejection of Messiah. Isa 30:18-21 refers similarly to the Lord's return in mercy to the remnant that "wait for Him" and "cry" to Him (Zep 3:12, 13).

JFB.