‘Yangshan was digging on a hillside to make a rice paddy. Yangshan said, “This place is so low, that place is so high.” Guishan said, “Water makes things equal. Why don’t you level it with water?” Yangshan said, “Water is not reliable, teacher. A high place is high level, a low place is low level.” Guishan agreed.’
The closing line makes an appearance in the Tenzo Kyokun, and will be one of the things I talk about in the second class today. It falls into the categories of harmony and non-obstruction in my book.