E.W. Bullinger's Companion Bible Notes - Isaiah 41:21
saith the LORD. See note on Isaiah 1:11 . strong = strong (for weight or importance). Hebrew. azam Not same word as in verses: Isaiah 41:1 , Isaiah 41:10 . Hebrew. 'amaz. the King of Jacob. This title occurs only here. Heathen kings were the gods of their people. So Jehovah, the King of Jacob, was the God of Israel. read more
Bridgeway Bible Commentary - Isaiah 41:1-29
The living God and idols (41:1-29)At that time Cyrus of Persia had been expanding his empire. He had conquered all the countries to the north and east, and was now threatening Babylon. The prophet imagines God calling the nations to assemble before him and asking them a question: who is it that has stirred up Cyrus to carry out this conquest? The answer: Yahweh (41:1-4).As the armies of Cyrus approach these nations the people panic, and in their distress call upon their gods for protection.... read more