Alice laughed. 'There's not use trying,' she said: 'one can't believe impossible things.'
'I daresay you haven't had much practice,' said the Queen. 'When I was your age, I always did it for half-an-hour a day. Why, sometimes I've believed as many as six impossible things before breakfast.
Source: Through the Looking Glass and What Alice Found There, Pages: Chapter 5
Contributed by: Zaady