sound of one hand, n.Definitions

Sound of one hand (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠Hakuin's koan, set against the old saying that a single hand cannot make a clap.

Sound of one hand (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠Hakuin's koan, built on the proverb that one hand makes no clap: can you know your own nature, the thing with nothing to strike? What an idiotic question!