179- Example
If we are to draw a straight line using a ruler, we must choose two points: the beginning and the end of the line. Without specifying these two points, it is impossible to draw a line. After we drew a line, we can stretch this line until we reach the paper's edges from both ends. We can then add some more paper to both sides of the paper and continue until we have used all the worlds paper. Is it going to end? No. Never. No human being can consider an end to this. Even a superhuman will not be able to do so.
This notion is clear, straightforward, and very easy to comprehend, that any child can understand. It is for the understanding of every child, even in elementary school, not just for the scientists. It does not require calculation and theorem and books and explanations of any sort. It is such a clear and simple concept that any child can understand and comprehend it.