I will get me. — The prophet turns from the masses to the few, from the poor to the great, repeating, as with a grave, indignant irony, the words that describe the true wisdom which he has not found in the former, but hopes to find in the latter.
But these. — Better, as less ambiguous, Surely they too. The clause begins with the same word as that in Jeremiah 5:4. What is meant is that the great as well as the poor, the learned as well as the ignorant, are altogether evil, the former even more defiant in breaking through all conventional constraints than the latter.