This is pretty much literally what the originator of Zen, Bodhidharma did for 9 years: https://en.wikipedia.org/wiki/Bodhidharma https://en.wikipedia.org/wiki/B

This is pretty much literally what the originator of Zen, Bodhidharma did for 9 years: https://en.wikipedia.org/wiki/Bodhidharma https://en.wikipedia.org/wiki/Bodhidharma