E.W. Bullinger's Companion Bible Notes - Isaiah 26:3
perfect peace. Hebrew peace, peace. Figure of speech Epizeuxis , for emphasis, beautifully expressed In the Authorized Version. The same expression occurs in Isaiah 57:19 , indicating the unity of the book. See note on Isaiah 24:16 , and App-79 . Compare Isaiah 27:5 . mind = thought. trusteth = confideth. Hebrew. batah . See App-69 . read more
Bridgeway Bible Commentary - Isaiah 26:1-21
Final victory for the godly (26:1-27:1)Having destroyed the city built by human hands (that is, humankind’s whole ungodly way of life; 25:2), God now builds his city. It is a city for the righteous, an eternal dwelling place for those who have experienced the perfect peace that comes through complete trust in God (26:1-3). Those who trust in him have stability and security, but those who trust in themselves are overthrown. God’s city stands for ever; the world’s city is smashed to the ground... read more