"'Crawling at your feet,' said the Gnat (Alice drew her feet back in some alarm), 'you may observe a Bread-and-Butterfly. Its wings are thin slices of Bread-and-butter, its body is a crust, and its head is a lump of sugar.' 'And what does it live on?' 'Weak tea with cream in it.' A new difficulty came into Alice’s head. 'Supposing it couldn’t find any?' she suggested. 'Then it would die, of course.'"