'If seven maids with seven mops  
 Swept it for half a year,  
 Do you suppose,' the Walrus said,  
 'That they could get it clear?'  
 'I doubt it,' said the Carpenter,  
 And shed a bitter tear.
Through the Looking-Glass (1872) ch. 4
'If seven maids with seven mops  
 Swept it for half a year,  
 Do you suppose,' the Walrus said,  
 'That they could get it clear?'  
 'I doubt it,' said the Carpenter,  
 And shed a bitter tear.
Through the Looking-Glass (1872) ch. 4