"As your father says, it's ten to one he's just a plain damned fool," Hannah said.
And in that case I'm just a plain damned fool.
Or do you think I'm just plain fool?
Tellurian labor is a bunch of plain damned fools.
But if you think it didn't happen you're just a plain damned fool.
Any plain fool can tell Lester's not the kind of man who could kill anybody.
"It's a plain fool who stays inside a burning house because he wants to see the color of the flames."
"Whatever you did, you made me look like a plain fool."
Not so much at Vilate as he was mad at himself for being such a plain fool.
Either that, or you are a plain fool, which I cannot believe.