The Grapes of Wrath (1940)

Other mistake: Noah, the brother, just disappears from the movie with no explanation at all.

Ma Joad: Well, Pa, a woman can change better'n a man. A man lives sorta - well, in jerks. Baby's born or somebody dies, and that's a jerk. He gets a farm or loses it, and that's a jerk. With a woman, it's all in one flow, like a stream - little eddies and waterfalls - but the river, it goes right on. Woman looks at it thata way.