“The problem ain't what people know. It's what people know that ain't so that's the problem.”
“Things ain't what they used to be and probably never was.”
“Buy land. They ain't making any more of the stuff.”
“Ignorance lies not in the things you don't know, but in the things you know that ain't so.”
“It's not what we don't know that hurts. It's what we know that ain't so.”
“I'll bet you the time ain't far off when a woman won't know any more than a man.”