Who, of men, can tell That flowers would bloom, or that green fruit would swell To melting pulp, that fish would have bright mail, The earth its dower of river, wood, and vale, The meadows runnels, runnels pebble-stones, The seed its harvest, or the lute its tones, Tones ravishment, or ravishment its sweet, If human souls did never kiss and greet?
There are many more secrets in the world that are waiting to be found. The question of how many secrets exist in our world is roughly equivalent to how many startups people should start.