There are many people within this existence that will tell you many different things. Some of these things will be true. Most, dare I say, will not. It is up to you to decide which you believe, which you disbelieve, and which you fact check. Remember what I've just told you, and think about it while processing what you will read shortly.

The universe is so vast in relation to the matter it contains that it can be compared with a building 20 miles long, 20 miles wide and 20 miles high that contains a single grain of sand.