II Samuel 22:29 Philosophy

כִּֽי־אַתָּ֥ה נֵירִ֖י יְהוָ֑ה וַיהוָ֖ה יַגִּ֥יהַּ חָשְׁכִּֽי׃

For Thou art my lamp, O LORD; And the LORD doth lighten my darkness.

Read Jewish philosophical commentary on II Samuel 22:29: and classical philosophical sources.