Fukan-Zazengi 17: Real Men Don't Slay Dragons.
The conclusion of Master Dogen's zazen instructions commences with the traditional view of a human life as a great endowment, as it enables us to practice Buddhism and overcome the endless cycle of death and rebirth. However, here it has a Dogen-esque twist on it as he combines this theme with the human body itself as a 'pivotal' thing in practice -- this recalls the earlier theme of zazen as the 'vigorous route of getting the body out', or our practice of realising our body as already free and living in reality via our sitting 'dropping off body and mind'. 'Sparks that fly from flint' can be seen to be thoughts, ideas, likes and dislikes while the flint, the essential thing that gives rise to sparks, is the body - our habitual state may be to be lost in thoughts and feelings not seeing the body as already free of them... We have already received the essential pivot which is the human body: we must never pass time in vain. We are maintaining and rely...