Visual representation of the biblical verse Revelation 4:8, depicted in a profound watercolor style. The scene portrays four living creatures, each covered with eyes, and six wings, full of eyes around and within. Underneath each creature, there is a sea of crystal-like glass. They rest not, uttering the phrase, 'Holy, holy, holy, Lord God Almighty, who was, and is, and is to come.' Capture the essence of the verse, its mysticism and divine aura in the subtle, expressive strokes of watercolor.