“Harry Vane, Pulteney's toad-eater.”

“So who was she? (Vane)
Why do you assume it was a female? (Fang)
Didn’t know you were fond of men. I’ll file that under my special Fang folder. (Vane)”

“I'm such a clever Toad.”

“Edible, adj.: Good to eat, and wholesome to digest, as a worm to a toad, a toad to a snake, a snake to a pig, a pig to a man, and a man to a worm.”

“The toad beneath the harrow knows
Exactly where each tooth point goes;
The butterfly upon the road
Preaches contentment to that toad.”

“He was indeed an altered Toad!”

“Think as I think," said a man, "or you are abominably wicked; you are a toad." And after I thought of it, I said, "I will, then, be a toad.”

“Harriet Vane: If anybody does marry you it will be for the pleasure of hearing you talk piffle.”

“Apparently you're not allowed to lick a toad's back.”

“The toad, without which no garden would be complete.”