We believe that every thing and every event must have a cause, that is, some other thing (s) or event (s), and that it will in its turn be the cause of other effects. So how does a cause lead to an effect? To make it much worse, if all that I think or do is a set of effects, there must be causes for all of them going back into an indefinite past. If so, I can't help what I do. I am simply a puppet pulled by strings that go back into times far beyond my vision. Again, this is a problem which comes from asking the wrong question. Here is someone who has never seen a cat. He is looking through a narrow slit in a fence, and, on the other side, a cat walks by. He sees first the head, then the less distinctly shaped furry trunk, and then the tail. Extraordinary! The cat turns round and walks back, and again he sees the head, and a little later the tail. This sequence begins to look like something regular and reliable. Yet again, the cat turns round, and he witnesses the same regular sequence: first the head, and later the tail. Thereupon he reasons that the event head is the invariable and necessary cause of the event tail, which is the head's effect. This absurd and confusing gobbledygook comes from his failure to see that head and tail go together: they are all one cat.

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