'Always speak the truth - think before you speak - and write it down afterwards.' 'I'm sure I didn't mean - ' Alice was beginning, but the Red Queen interrupted her impatiently. 'That's just what I complain of! You should have meant! What do you suppose is the use of child without any meaning? Even a joke should have some meaning - and a child's more important than a joke, I hope.
Lewis Carroll “Alice in Wonderland”, W. W. Norton & Company