Shoun became a teacher of Soto Zen. When he was still a student his father passed away, leaving him to care for his old mother.
Whenever Shoun went to a meditation hall he always took his mother with him. Since she accompanied him, when...
When beauty is abstracted
Then ugliness has been implied;
When good is abstracted
Then evil has been implied.
So alive and dead are abstracted from nature,
Difficult and easy abstracted from progress,
Long and short abstracted from contrast,
High and low abstracted from depth,
Song and speech abstracted from melody,
After and before abstracted from sequence.