The true meaning of the rainbow comes from the Bible in Genesis 9:12-15, where God sets his rainbow in the clouds as a sign of the covenant between him and the earth.0 The rainbow is a symbol of hope and solidarity in many cultures, appearing as perfect arcs during or immediately after a rain shower when the sun shines onto water droplets, shattering its white light into an array of brilliant colors.1 It is meant to remind us of the great flood that drowned the world and to assure us that God will never do so again. When we see the bow in the heavens, we should be led to consider divine justice against the iniquities of the world, which He punished most severely, so as to destroy all people.