even if we could, should we keep them out? Even in the face of potential danger, should we bar the way to them? For here was an alien life, the first alien life we’d met. Here was the chance for the human race, if it would take the chance, to gain new knowledge, to find new attitudes, to fill in the gaps of knowing and to span the bridge of thought, to understand a non-human viewpoint, to sample new emotion, to face new motivation,
