Through The Looking Glass by Lewis Carroll Chapter 8 Page 14

‘I hope no bones are broken?’

‘None to speak of,’ the Knight said, as if he didn’t mind breaking two or three of them. ‘The great art of riding, as I was saying, is — to keep your balance properly. Like this, you know — ’

He let go the bridle, and stretched out both his arms to show Alice what he meant, and this time he fell flat on his back, right under the horse’s feet.

‘Plenty of practice!’ he went on repeating, all the time that Alice was getting him on his feet again. ‘Plenty of practice!’

‘It’s too ridiculous!’ cried Alice, losing all her patience this time. ‘You ought to have a wooden horse on wheels, that you ought!’