168. It must further be known that the end is everything in the cause and also everything in the effect. It is owing to this that end, cause and effect are called the first end, intermediate end, and last end. However, for the end to be everything in the cause, something must exist from the end for it to dwell in, and for the end to be everything in the effect, something must exist from the end through the cause for it to dwell in. For an end cannot exist in itself alone, but must exist in something arising from it, in which it can be present as its everything and by acting produce effects until it rests. The terminus in which it rests is the last end, which is called the effect.