Macro is the Micro is the Macro is the Micro (and so on)

On the left, a cell in a mouse brain; on the right, a computer model showing the large scale structure of the universe - each point of light in the picture would be an individual galaxy.

This is a fundamental truth to our reality - wherever you look, no matter how high or low, the macro is repeated in the micro and the micro in the macro;

There is wisdom to be gained by fully understanding this in your day to day life. I leave it to you to decide how. Or why.