allow for expansion

This guidance could also be applied to the mind.

And this could perhaps be applied to the gas tank:

Emptiness accommodates everything. I wonder if thoughts of all kinds intrude themselves at will on our minds because what we call our minds are vacant? If our minds were occupied, surely so many things would not enter them.

Remnant evidence suggests that I might have mice, chipmunks, squirrels, spiders, moths and other creatures building nests in empty cavities of my car…



Quote from: Essays in Idleness, The Tsurezuregusa of Kenko, from essay #235, translated by Donald Keene, Columbia University Press, New York, 1998