One day, when the brilliant Chinese Cha'n master Chao-chou was sweeping the court of the monastery, a man asked him:
-Ch'an monastery supposed to be clean and pure. Why is there dust to sweep?
"One possible extension of subjectivist thought is that conscious experience is available to all objectively perceivable substrates. Upon viewing images produced by a camera on the rocking side of an erupting volcano, one might suppose that their relative motion followed from a subjective conscious within the volcano. These properties might also be attributed to the camera or its various components as well." - from here
So for us, the emergence and interaction of thoughts and senses?