“Always behave like a duck- keep calm and unruffled on the surface, but paddle like the devil underneath.”
“Be like a duck. Calm on the surface, but paddling like the dickens underneath.”
“Be a duck, remain calm on the surface and paddle like hell underneath.”
“Don't show it and don't panic. Do like the ducks; on the surface stay calm, and below it paddle lile hell”
“Yes, I see that you are behaving like a prince but that doesn't mean you won't behave like a devil at the first opportunity.”
“Mother always said he was like a lake, calm on the surface though a powerful current rumbled beneath. Tristan, meanwhile, was the ocean—his feelings frothed and foamed on the surface, crashing like waves into every situation.”