5:6 A lion - Nebuchadnezzar and the Chaldean army are here pointed at under the metaphor of beasts of prey of three kinds; compared to a lion, which denotes his great power, courage, and pride. A wolf - For their greediness and unsatiableness. A leopard - The Chaldean army is compared to a leopard, not for its speed only, but for its vigilancy and subtilty.

Jeremiah 5:6 Parallel Commentaries

"And Hereby we do Know that we Know Him, if we Keep his Commandments. "
1 John ii. 3.--"And hereby we do know that we know him, if we keep his commandments." This age pretends to much knowledge beyond former ages, knowledge, I say, not only in other natural arts and sciences, but especially in religion. Whether there be any great advancement in other knowledge, and improvement of that which was, to a further extent and clearness, I cannot judge, but I believe there is not much of it in this nation, nor do we so much pretend to it. But, we talk of the enlargements of …
Hugh Binning—The Works of the Rev. Hugh Binning

Covenanting According to the Purposes of God.
Since every revealed purpose of God, implying that obedience to his law will be given, is a demand of that obedience, the announcement of his Covenant, as in his sovereignty decreed, claims, not less effectively than an explicit law, the fulfilment of its duties. A representation of a system of things pre-determined in order that the obligations of the Covenant might be discharged; various exhibitions of the Covenant as ordained; and a description of the children of the Covenant as predestinated …
John Cunningham—The Ordinance of Covenanting

The Medes and the Second Chaldaean Empire
THE FALL OF NINEVEH AND THE RISE OF THE CHALDAEAN AND MEDIAN EMPIRES--THE XXVIth EGYPTIAN DYNASTY: CYAXARES, ALYATTES, AND NEBUCHADREZZAR. The legendary history of the kings of Media and the first contact of the Medes with the Assyrians: the alleged Iranian migrations of the Avesta--Media-proper, its fauna and flora; Phraortes and the beginning of the Median empire--Persia proper and the Persians; conquest of Persia by the Medes--The last monuments of Assur-bani-pal: the library of Kouyunjik--Phraortes …
G. Maspero—History Of Egypt, Chaldaea, Syria, Babylonia, and Assyria, V 8