There are only two places where we see the expression in the Bible, “Holy, Holy, Holy.” Isaiah 6:3 and the Apostle John’s praise and worship of God found in Revelation 4:8. Why is God considered Holy? Why did the Seraphim say Holy three times?
I love that hymn, “Holy, Holy, Holy” written by Reginald Heber (1783-1826) and John B. Dykes (1823-1876)
Holy, Holy, Holy, Lord God Almighty," read Reginald Heber's widow. Among her dead husband's papers, she found the words of one of the most powerful and beautiful hymns