"Instinct alone is fatally slow. Especially in the case of a specialized genus, unable to cope even with this world, unable to feed or drink or survive, unless someone has foresightedly provided for those needs. The young, fed and tended, would survive. There would be incubators and robots. They would survive, but they would not know how to swim downstream, to the vaster world of the ocean. So they must be taught. They must be trained and conditioned in many ways. Painlessly, subtly, unobtrusively. Children love toys that do things and if those toys teach at the same time — -->"