“The line between confidence and arrogance is very fine, Josh,” Flamel said quietly. “And the line between arrogance and stupidity even finer. Sophie,” he added, without looking at her.”
“It does, Tennyson, because there’s a fine line between confidence and arrogance. There’s a fine line between being assertive and being a bully. And you’re on the wrong side of both lines.”
“I didn't know that there was a thin line between ignorance and arrogance.”
“It’s such a fine line between stupid and…clever.”
“Correct me if I'm wrong, but hasn't the fine line between sanity and madness gotten finer?”
“There's a fine line between living in the moment and being downright stupid.”