We are built out of very small stuff, and we are embedded in a very large cosmos, and the fact is that we are not very good at understanding reality at either of those scales, and that's because our brains haven't evolved to understand the world at that scale.
Estamos hechos de cosas muy pequeñas, e inmersos en un gran cosmos, y no entendemos bien la realidad de ninguna de esas escalas, y eso se debe a que el cerebro no ha evolucionado para entender el mundo en esa escala.