I saw the ram pushing westward - The Persians, who are signified by the ram, as well as their founder Cyrus, pushed their conquests west, north and south. The principal theater of their wars, says Calmet, was against the Scythians, northward; against the Greeks, westward; and against the Egyptians, southward.
He did according to his will - There was no other nation at that time that could stay the progress of the Persian arms.
I saw the ram pushing westward, and northward, and southward - Denoting the conquests of the united kingdom. The east is not mentioned, for none of the conquests of the Medo-Persian empire extended in that direction: Yet nothing could better express the conquests actually made by the Medo-Persian empire than this representation. On the west the conquests embraced Babylonia, Mesopotamia, Syria, and Asia Minor; on the north, Colchis, Armenia, Iberia, and the regions around the Caspian Sea; and on the south, Palestine, Ethiopia, Egypt, and Lybia. - Lengerke. This Medo-Persian power is represented as coming from the east. Isaiah 41:2: “who raised up the righteous man from the east, etc.” Isaiah 46:11: “calling a ravenous bird from the east, etc.”
He did according to his will, and became great - This expresses well also the character of the Medo-Persian empire. It extended over a great part of the known world, subduing to itself a large portion of the earth. In its early conquests it met with no successful opposition, nor was it stayed until it was subdued by Greece - as at Leuctra and Marathon, and then as it was finally overthrown by Alexander the Great.