Rinzai

In that simple form the doctrine was accepted by the Rinzai believers.

Upon his deathbed Rinzai summoned his disciples round him and asked which of them felt capable of carrying on his work.

But Rinzai groaned and cried out, To think that such a blind donkey should undertake to hand on my teaching!

Rinzai: I asked him thrice what was the fundamental doctrine of Buddhism and each time he hit me with his stick.