These days the Soto sect is known for its Mokusho Zen (a method of zazen, a state of thinking nothing) teachings, however Donei Eio practiced Kanwa Zen (meditation supplemented with Koan [small presentations of the nature of ultimate reality, usually presented as a paradox]) and is recognized as its originator.
今日の曹洞宗は黙照禅で知られるが当時は看話禅の修行も盛んで、恵應はその第一人者と目された。