Clifford D. Simak,
Second Childhood
“ Illusion pure and simple.""Others have tried," objected Stanford, pessimistic again. "Many others. With gadgets and machines....""None has tried it," said Riggs, "with the power of mind alone. With the sheer determination to wipe out five thousand years of memory.""That will be his stumbling block," said Stanford. "The old, dead memories are the things he has to beat. He has to get rid of them ... not just bury them, but get rid of them for good and all, forever.""He must do more than that," said Riggs. "He must replace his memories with the outlook he had when he was a child. ”
