God was, to the Israelites, the Lord of hosts. To them this signified a God of almighty power against whom no enemy could succeed. The armies of Israel were the armies of God, the hosts of Yahweh (1 Samuel 17:45; cf. Joshua 5:14-15). Yet as Lord of hosts, God is more than just God of the armies of Israel. He is God of the countless multitudes of angelic beings who live in constant readiness to carry out his commands (1 Kings 22:19; Psalms 148:2; see ANGELS).
As a title indicating a God whose power is unlimited, ‘Lord of hosts’ is a frequently used title of God in the Bible. It occurs almost three hundred times (e.g. Psalms 24:10; Isaiah 1:24; Jeremiah 2:19; Zechariah 1:17; Malachi 1:6; Malachi 1:14; James 5:4).
The "bridge" element in the title reflects the aim of all Bridgeway books, which is to bridge two gaps at once - the gap between the word of the Bible and the world of today, and the gap between the technical reference works and the ordinary reader.Wikipedia
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