Hardware Store Customer: [Looking at can] They tell you what its ingredients are, and how it's guaranteed to exterminate every insect in the world, but they do not tell you whether or not it's painless. And-and I say, insect or man, death should always be painless.
Caroline: He was flirting with you. I guess he must have noticed my wedding ring.
Norman Bates' Mother: [in police custody, as Norman is thinking] It is sad when a mother has to speak the words that condemn her own son. I can't allow them to think I would commit murder. Put him away now as I should have years ago. He was always bad and in the end he intended to tell them I killed those girls and that man, as if I could do anything but just sit and stare like one of his stuffed birds. They know I can't move a finger and I want to just sit here and be quiet just in case they suspect me. They're probably watching me. Well, let them. Let them see what kind of a person I am. I'm not even going to swat that fly. I hope they are watching... they'll see. They'll see and they'll know, and they'll say, "Why, she wouldn't even harm a fly..."
Caroline: He was flirting with you. I guess he must have noticed my wedding ring.
Norman Bates' Mother: [in police custody, as Norman is thinking] It is sad when a mother has to speak the words that condemn her own son. I can't allow them to think I would commit murder. Put him away now as I should have years ago. He was always bad and in the end he intended to tell them I killed those girls and that man, as if I could do anything but just sit and stare like one of his stuffed birds. They know I can't move a finger and I want to just sit here and be quiet just in case they suspect me. They're probably watching me. Well, let them. Let them see what kind of a person I am. I'm not even going to swat that fly. I hope they are watching... they'll see. They'll see and they'll know, and they'll say, "Why, she wouldn't even harm a fly..."
Hardware Store Customer : [ Looking at can ] They tell you what its ingredients are, and how it's guaranteed to exterminate every insect in the world, but they do not tell you whether or not it's painless. And-and I say, insect or man, death should always be painless.
Caroline : He was flirting with you. I guess he must have noticed my wedding ring.
Norman Bates' Mother : [ in police custody, as Norman is thinking ] It is sad when a mother has to speak the words that condemn her own son. I can't allow them to think I would commit murder. Put him away now as I should have years ago. He was always bad and in the end he intended to tell them I killed those girls and that man, as if I could do anything but just sit and stare like one of his stuffed birds. They know I can't move a finger and I want to just sit here and be quiet just in case they suspect me. They're probably watching me. Well, let them. Let them see what kind of a person I am. I'm not even going to swat that fly. I hope they are watching... they'll see. They'll see and they'll know, and they'll say, "Why, she wouldn't even harm a fly..."
http://www.moviequotedb.com/movies/psycho/quote_35547.html