John Chrysostom
He reminisced about his past blessings to illustrate God's Providence. This is clear from his statement, When God kept me (Job 29:2). He then provides evidence of this divine preservation, remarking that the light illuminated his path. Meaning, 'And Thou shalt light my lamp.' Indeed, a lamp is essential. The darkness we currently face is profound, compounded by the turmoil of our physical desires, the treachery of malicious individuals, and the struggles and insurrections of malevolent spirits, which in itself indicates that I have navigated the shadows by His illumination. One can observe that darkness surrounds all, yet light penetrates the darkness (John 1:5). However, just as ordinary darkness can be beneficial for rest, this spiritual darkness serves a purpose, not due to its essence, but because of God's wisdom orchestrating all things.