The man is rare who will give his life for what is merely the lesser of two evils. Merrick's decision was even tougher: to save human beings at the expense of humanity, or vice versa?

This, then, was the Creche, Anno Domini 2500. A great, mile-square blind cube topping a ragged mountain; bare escarpments falling away to a turbulent sea. For five centuries the Creche had stood so, and the Androids had come forth in an unending stream to labor for Man, the Master.