The one that is very strong should also be very nice.

He’s the strongest man in the world.’

‘Man, yes,’ said Pippi, ‘but I am the strongest girl in the world, remember that.

‘I don’t think you have a very nice way with ladies,’ said Pippi. And she lifted him in her strong arms — high in the air — and carried him to a birch tree and hung him over a branch. Then she took the next boy and hung him over another branch.

The girl hurried away, but then Pippi shouted, “Did he have big ears that reached way down to his shoulders?”
“No,” said the girl and turned and came running back in amazement. “You don’t mean to say that you have seen a man walk by with such big ears?”
“I have never seen anyone who walks with his ears,” said Pippi. “All the people I know walk with their feet.