Through The Looking Glass by Lewis Carroll Chapter 6 Page 17

‘for to get their wages, you know.’

(Alice didn’t venture to ask what he paid them with; and so you see I can’t tell you.)

‘You seem very clever at explaining words, Sir,’ said Alice. ‘Would you kindly tell me the meaning of the poem called “Jabberwocky”?’

‘Let’s hear it,’ said Humpty Dumpty. ‘I can explain all the poems that were ever invented — and a good many that haven’t been invented just yet.’

This sounded very hopeful, so Alice repeated the first verse:

‘Twas brillig, and the slithy toves

Did gyre and gimble in the wabe;