Listen for the sound of a single hand
and what is the sound of one hand clapping
and is the sound of the right hand different or he same as the left hand
and what is the sound of half of a hand...
What might a black crow on ice or a red squirrel in snow or a white cloud in blue sky have to do with the above? While not attaining the primary point, crow-, squirrel-, and cloud-insight here opens a big gate.