One is all, All is one

A deep saying from FMA (FullMetal Alchemist). One is you, and all is the world. Let's say you are surviving alone in a forest, or anywhere. You see, you have to eat something, right? Let's say you ate meat, such as rabbits or fish, and that animal that you ate would've died. And if you did not eat, you would've died. When you die, you will rot and become nutrients to the grass, plants, etc. And those grass will be eaten by the rabbits. And then the cycle starts again. You see, the place you're surviving might have been underwater a long time ago, and in the next tens of thousands of years, it might be a peak of the mountain! It's all connected! Everything you see, everyone you meet, it is connected in one big unseen flow, but it is bigger than that, it's the entire world, the entire universe even. And compared to something like that, we are just a very small part of the universe. If we put together all those ones, we get one great all. The flow follows the law of such magnitude, that even both of us, you and me can't imagine it. You have to understand that flow, deconstruct it and reconstruct it. It is also referred to as living. So basically when you ate the rabbit, it became part of you. And the grass that the rabbit ate, became part of it. We, the 'one' has to die to become nutrients to the grass and plants. So technically, Life needs death, and death need life.