The first thing a psychologist learns is to keep her mouth shut around laymen. - James Blish

“Though the wicked may hide, the claws of crabs are dangerous people in bridges,” Father Selahny intoned abruptly. As was the case with all his utterances, the group would doubtless find out what this one meant only after sorting out its mixed mythologies and folklores, and long after it was too late to do anything about it.

I’ve already given you the whole explanation of how that came about. It happened because it was going to happen. All other explanations for anything are superfluous. All other explanations for anything.

You’ll remember I told you I was interested in the history of science. That involves trying to understand why there wasn’t any science for so long, and why it went into eclipse almost every time it was rediscovered. I think I know why now. I think the human mind goes through a sort of cycle of fear. It can only take so much accumulated knowledge, and then it panics, and starts inventing reasons to throw everything over and go back to a Dark Age…every time with a new, invented mystical reason.