Alice's Adventures in Wonderland by Lewis Carroll Chapter 10 Page 15

When the sands are all dry, he is gay as a lark,

And will talk in contemptuous tones of the Shark,

But, when the tide rises and sharks are around,

His voice has a timid and tremulous sound.

‘That’s different from what I used to say when I was a child,’ said the Gryphon.

‘Well, I never heard it before,’ said the Mock Turtle; ‘but it sounds uncommon nonsense.’

Alice said nothing; she had sat down with her face in her hands, wondering if anything would ever happen in a natural way again.

‘I should like to have it explained,’ said the Mock Turtle.