It gives one a feeling of confidence to see nature still busy with experiments, still dynamic, and not through nor satisfied because a Devonian fish managed to end as a two-legged character with a straw hat. There are other things brewing and growing in the oceanic vat. It pays to know this. It pays to know that there is just as much future as there is past. The only thing that doesn't pay is to be sure of man's own part in it. There are things down there still coming ashore.