“Never trust a duck.”

“I shall never eat duck again. I cannot believe I used to like duck. The duck betrayed me.”

“One is never alone with a rubber duck.”

“If it looks like a duck, quacks like a duck, it's a duck!”

“Never trust them, never trust them. They can't be trusted.”

“When I see a bird that walks like a duck and swims like a duck, and quacks like a duck, I call that bird a duck. ”

“Let’s just say I understand betrayal. And having been where he is, I know the explosion to come. Trust me. ‘Duck’ won’t quite cover it. (Sin)”

“The perils of duck hunting are great - especially for the duck.”

“Well, yes, I call it the Expando-Duck. It's perfect if you need a small metal duck. Or a larger metal duck.”

“Never trust he who trusts everyone.”