Here is an example: this morning I was on the dock where the Integral is being built, and I saw the lathes; blindly, with abandon, the balls of the regulators were rotating; the cranks were swinging from side to side with a glimmer; the working-beam proudly swung its shoulder; and the mechanical chisels were dancing to the melody of an unheard Tarantella. I suddenly perceived all the music, all the beauty, of this colossal, of this mechanical ballet, illumined by light blue rays of sunshine. Then the thought came: why beautiful? Why is a dance beautiful? Answer: because it is an unfree movement. Because the deep meaning of the dance is contained in its absolute, ecstatic submission, in the ideal non-freedom . If it is true that our ancestors would abandon themselves in dancing at the most inspired moments of their lives (religious mysteries, military parades) then it means only one thing: the instinct of non-freedom has been characteristic of human nature from ancient times, and we in our life of today, we are only consciously⁠—