“They conceive a certain theory, and everything has to fit into that theory. If one little fact will not fit it, they throw it aside. But it is always the facts that will not fit in that are significant.”

“It often seems to me that's all detective work is, wiping out your false starts and beginning again.""Yes, it is very true, that. And it is just what some people will not do. They conceive a certain theory, and everything has to fit into that theory. If one little fact will not fit it, they throw it aside. But it is always the facts that will not fit in that are significant.”

“Everything must be taken into account. If the fact will not fit the theory---let the theory go.”

“If the fact will not fit the theory - let the theory go”

“When the fact doesn't meet the theory then let go the theory.”

“One of us in this very room is in fact the murderer.”

“Sitting here with one's knitting, one just sees the facts. -"The Blood-Stained Pavement”