Enlightenment and delusion are fused in the sword that has been sharpened in the forge of buddhas and Zen ancestors. Dogen says it is easy to cut something in two, but difficult to cut into one. Emptiness and form are cut into one by the “two crossed swords” which is also the razor-sharp sword of case one hundred in the Blue Cliff Record.
A monk asked Haryo, “What is the razor-sharp sword?”
Haryo said, “Each branch of coral supports the moon.”
How wonderful to discover that you have been using it all along.