There is nothing that you shouldn't do. Everything can be used as a tool for liberation.
Frederick LenzLook at the big picture of the wheel of life. Above it, there is a Buddha. He is pointing, not towards the wheel, but away from it. He is indicating that there is something else - nirvana.
Frederick LenzIt is in Zen practice that you gain power, balance and wisdom. The battles that you fight are within your own mind. That is where the real victories and defeats are.
Frederick Lenz