In fact, without difference there is no beauty, and for Hopkins to praise beauty is to praise God. In the third line, Hopkins moves from the enormous image of the sky to the tiny and shiny detail of the scales of a trout, but Hopkins doesn't use the word scales. To him they are “pink moles,” a much richer image that gives us their color and the second use of a compound word in the poem, after “color-couple.” Such compound words are crucial to poetry and are themselves acts of creation, as if through careful observation of God's creation the poet himself is inspired to create. These compound words also embody the main point that Hopkins explores in the poem: that the combination of two distinct things, in this case words, can form something beautiful when combined. The word stipple also suggests an artistic effect, the allusion to God as artist and the world as his work. In the fourth verse we find more composed words with “chestnut cascades of fresh coal”, which allude to the beauty of a freshly opened chestnut with its intense splendor reminiscent of the splendor of combustion