chained_bear commented on the word mackerel-snapper I get the fish-eater thing, but I don't know why non-Catholics wouldn't want mackerel--evidenced by the use of the term in a disparaging phrase. (Or wouldn't want snapper, for that matter.)
Psalm 1 is the first of the Psalms in the Hebrew Bible. Like many of the psalms, it contrasts the  righteous  person (tzadik ×¦×××§) to the wicked or ungodly (rasha` ×¨×©×¢) or the  sinner  (chatta' ×××).
Answer: The clause the Lord is my shepherd comes from one of the most beloved of all passages of Scripture, the 23rd Psalm. In this passage and throughout the New Testament we learn that the Lord is our Shepherd in two ways.First, as the Good Shepherd, He laid down His life for His sheep and, second, His sheep know His voice and follow Him (John 10:11, 14). In Psalm 23, God is using the analogy of sheep and their nature to describe us.nswer: The clause the Lord is my shepherd comes from one of the most beloved of all passages of Scripture, the 23rd Psalm. In this passage and throughout the New Testament we learn that the Lord is our Shepherd in two ways.