"I can't go back," said Towser. "Nor I," said Fowler. "They would turn me back into a dog," said Towser. "And me," said Fowler, "back into a man." - Clifford D. Simak

He had acted on an impulse, with no thought at all. The girl had asked protection and here she had protection, here nothing in the world ever could get at her. But she was a human being and no human being, other than himself, should have ever crossed the threshold. But it was done and there was no way to change it. Once across the threshold, there was no way to change it.

We have fallen on hard times of the spirit, with many of the people more concerned with fear of evil than contemplation of the good.

Before Man goes to the stars he should learn how to live on Earth.