First, a quick etymology. "Quia respexit humilitatem" is Latin for "Because He has regarded the lowliness." It is a direct setting of Mary’s song of praise, the Magnificat (Luke 1:46-55).
For those interested in experiencing the beauty of "Quia Respexit" firsthand, a PDF score can be a valuable resource. There are several online repositories and music libraries that provide access to Bach's Magnificat in G major, BWV 243, including: quia respexit bach pdf
(Bach-Gesellschaft edition), grab a pencil, and let Bach teach you what humility sounds like. First, a quick etymology
Whether you are preparing for a church service, a university jury, or simply wish to meditate on one of Bach’s most intimate prayers, “Quia respexit” is a journey from lowliness to blessing. including: (Bach-Gesellschaft edition)