“You can't fool Mother Nature, and you can't fool market forces (at least not for long)”

“Love isn't simple, Katie, and neither is life. Things that are worth having are sometimes complicated, and they evoke complicated emotions. You know, one of the reasons people often turn to alcohol or drugs is that they can't deal with complications.”

“Science is a way of trying not to fool yourself. The principle is that you must not fool yourself, and you are the easiest person to fool.”

“You can't force feed a fool. They are blind to their need.”

“The first principle is that you must not fool yourself and you are the easiest person to fool.”

“Ordinary fools are all right; you can talk to them, and try to help them out. But pompous fools-guys who are fools and are covering it all over and impressing people as to how wonderful they are with all this hocus pocus-THAT, I CANNOT STAND! An ordinary fool isn't a faker; an honest fool is all right. But a dishonest fool is terrible!”

“Pompous fools drive me up the wall. Ordinary fools are alright; you can talk to them and try to help them out. But pompous fools – guys who are fools and covering it all over and impressing people as to how wonderful they are with all this hocus pocus – THAT, I CANNOT STAND! An ordinary fool isn’t a faker; an honest fool is all right. But a dishonest fool is terrible!”