The Case
A monk asked zen master Joshu, 'Does a newborn baby possess the six senses or not?' Joshu said, 'It is like throwing a ball into the rapids.' The monk later asked Tosu, 'What is the meaning of throwing a ball into the rapids'?' Tosu said, 'Thought after thought without ceasing.
Verse
The question: the six senses. Purposeless. Well acquainted with it, the masters. A ball is thrown into the rapids, do you know where it is carried?
