And this is just another word. People might talk about the central limit theorem, but this is really kind of one of the most important or interesting things about our universe, central limit theorem. I won't prove it here, but it essentially tells us, and you could kind of understand it by looking at the other video where we talk about flipping coins, and if we were to do many, many, many flips of coins, right, those are independent trials of each other. And if you take the sum of all of your flips, if you were to give yourself one point if you got ahead every time, and if you would take the sum of them, as you approach an infinite number of flips, you approach the normal distribution. And what's interesting about that is each of those trials, in the case of flipping a coin, each trial is a flip of the coin, each of those trials don't have to have a normal distribution. So we could be talking about molecular interactions. And every time compound x interacts with compound y, what might result doesn't have to be normally distributed.