Commentaries:
Barnes' Notes
God is known in her palaces - The word rendered "palaces" here means properly a fortress, castle, or palace, so called from its height, from a verb, 'âram , meaning to elevate, to lift up. It may be applied to any fortified place, and would be particularly applicable to a royal residence, as a castle or stronghold. The word "known" here means that it was well understood, or that the point had been fully tested and determined that God had chosen those abodes as his special residence - as the place where he might be found.
For a refuge - See the notes at Psalms 46:1. That is, there was safety or security in the God who had chosen Jerusalem as his special abode.
DISCLAIMER: Church of the Great God (CGG) provides these resources to aid the individual in studying the Bible. However, it is up to the individual to "prove all things, and hold fast to that which is good" (I Thessalonians 5:21). The content of these resources does not necessarily reflect the views of CGG. They are provided for information purposes only.