Wonhyo
Card meaning
Upright - the same water differs between night and morning. What changed is not the water but what you know.
Reversed - say 'I have understood' too early and the taste changes again.
The tale
Wonhyo was a monk of Silla.
A story tells that on the road to Tang he drank water in the night.
In the morning he saw the vessel and turned his mind around.
He did not go on to Tang but stayed in Silla, writing and teaching.
His works include the commentary on the Awakening of Mahayana Faith.