What Paul finds in Septuagint Isaiah 54:1, as he expresses it in Galatians 4:21-31, is what God intends us all to see. The content of Paul’s understanding of Isaiah 54:1, as he presents it in Galatians, lies within the text from the beginning, even in Isaiah’s day. Readers can verify this by following the context throughout the chapters of Isaiah which occur previous to 54:1. …