Successful colonies among the stars require interstellar ships—but they require, also, a very special kind of man. A kind you might not think to look for.......

Walking home in the dark from an evening spent in mischief, a young man spied coming toward him down the road a person with a lamp. When the wayfarers drew abreast, the play-boy saw that the other traveler was the Blind Man from his village. "Blind Man," the youngster shouted across the road, "what a fool you be! Why, old No-Eyes, do you bear a lantern, you whose midnight is no darker than his noonday?" The Blind Man lifted his lamp. "It is not as a light for myself that I carry this, Boy," he s