Now, by the right use and application of these, continued my father, in which a child's memory should be exercised, there is no one idea can enter his brain, how barren soever, but a magazine of conceptions and conclusions may be drawn forth from it. ----Didst thou ever see a white bear? cried my father, turning his head round to _Trim_, who stood at the back of his chair: --No, an' please your honour, replied the corporal. ----But thou couldst discourse about one, _Trim_, said my father, in case of need? --How is it possible, brother, quoth my uncle _Toby_, if the corporal never saw one? ----'Tis the fact I want, replied my father, --and the possibility of it is as follows.

'Now, by the right use of these,' continued my father, 'no idea can enter a child's brain, without a crowd of ideas being drawn forth from it. - Didst thou ever see a white bear?' he cried, turning to Trim.
'No, your honour,' replied the corporal.
'But thou couldst talk about one, Trim,' said my father, 'if needed?
'How is it possible, brother,' quoth my uncle Toby, 'if the corporal never saw one?'
'That is the fact I want,' replied my father. 'The possibility of it is as follows.
