In Sunday School we used to sing, “Every promise in the book
is mine: every chapter, every verse, every line.” And of all the books in the
Old Testament that we Christians love to apply to ourselves, the book of Psalms
is right at the top of the list.
I suspect this is because despite being mostly composed
between 4,000 and 2,500 years ago by Hebrews living in a very different
cultural setting, the psalms contain statements of great universality which we
may reasonably apply to believers in every era of God’s dealings with mankind,
up to and including ourselves.