[3.3]_For if you will turn your eyes inwards upon your mind_, continued my father, _and observe attentively, you will perceive, brother, that whilst you and I are talking together, and thinking, and smoking our pipes, or whilst we receive successively ideas in our minds, we know that we do exist, and so we estimate the existence, or the continuation of the existence of ourselves, or anything else, commensurate to the succession of any ideas in our minds, the duration of ourselves, or any such other thing co-existing with our thinking----and so according to that preconceived_ ------You puzzle me to death, cried my uncle _Toby_.

'If you will turn your eyes inwards upon your mind,' continued my father, 'you will perceive, brother, that whilst we are talking, and thinking, and smoking our pipes, we know that we exist, and so we estimate the existence, or the continuation of the existence of ourselves, or anything else, commensurate to the succession of any ideas in our minds, the duration of ourselves, or any such other thing co-existing with our thinking - and so according to that preconceived-'
'You puzzle me to death,' cried my uncle Toby.
