“But profound as psychology is, it's a knife that cuts both ways (...). I have purposely resorted to this method, gentlemen of the jury, to show that you can prove anything by it. It all depends on who makes use of it. Psychology lures even most serious people into romancing, and quite unconsciously. I am speaking of the abuse of psychology, gentlemen.”

“I studied psychology in school, and the best psychology is in literature. It's so much easier to understand a character than a theory. You can recognize yourself—or other people—in a different way.”

“I believe that virtue shows quite as well in rags and patches as she does in purple and fine linen,... even if Gargery and Boffin did not speak like gentlemen, they were gentlemen.”

“the psychological need to believe that others take you as seriously as you take yourself. There is nothing particularly wrong with it, as psychological needs go, but yet of course we should always remember that a deep need for anything from other people makes us easy pickings.”

“I am embarrassed to admit what drew me to psychology. I didn't want to go to medical school. I was getting good grades in psychology and I was charismatic and people in the psychology department liked me. It was as low a level as that.”

“Is it logical that two people can disagree and that both can be right? It's not logical: it's psychological. And it's very real.”