33. Through the Looking-Glass - Lewis Carroll (Alice and the White Queen at chapter V)

"I can believe it without that. Now I'll give you something to believe. I'm just one hundred and one, five months and a day."
"I ca'n't believe that!" said Alice.
"Ca'n't you?" the Queen said in a pitying tone. "Try again: draw a long breath, and shut your eyes."
Alice laughed. "There's no use trying," she said: "one ca'n'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. There goes the shawl again!"