I can't explain myself, I'm afraid, sir,' said Alice, 'Because I'm not myself you see.
Lewis Carroll"She can't do sums a bit!" the Queens said together, with great emphasis. "Can you do sums?" Alice said, turning suddenly on the White Queen, for she didn't like being found fault with so much. The Queen gasped and shut her eyes. "I can do Addition, if you give me time-but I can do Subtraction, under any circumstances!"
Lewis Carroll'And how, who am I? I will remember, if I can! I'm determined to do it!' But being determined didn't help much.
Lewis Carroll