"Not at all, Man. I feel ashamed. The instruments at Richardson—telescopes and other things—are factors which I simply never included in my calculations. I’m stupid, I admit it. Yes, yes, yes, da, da, da! Watch ships by telescope, don’t use radar unless they vary from present ballistics. Other possibilities—I don’t know what to say, Man, save that it had never occurred to me that I could use telescopes. I see by radar, always have; I simply never consid—"