Who said "Patience isn't a virtue; it's a survival mechanism."?

This quote is attributed to Edna Krabappel.

Patience isn't a virtue; it's a survival mechanism. - Edna Krabappel

"Patience isn't a virtue; it's a survival mechanism."

Edna Krabappel Patience

"I'm not a bad teacher, I'm just exhausted and underpaid."

"Another day, another chance to disappoint myself."

"Love is what happens when you're too tired to say no."

"Wisdom is knowing when to pour the wine and when to drink it."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."