In this connection it has often been said that the far-
     reaching changes in our environment and in our way of 
     life wrought by this technical age have also changed 
     dangerously our ways of thinking, and that here lie the 
     roots of the crises which have shaken our times and 
     which, for instance, are also expressed in modern art. 
     True, this objection is much older than modern 
     technology and science, the use of implements going 
     back to man’s earliest beginnings. Thus, two and a half 
     thousand years ago, the Chinese sage Chuang-Tzu spoke 
     of the danger of the machine when he said:

           ‘As Tzu-Gung was travelling through the regions 
     north of the river Han, he saw an old man working in his 
     vegetable garden. He had dug an irrigation ditch. The man 
     would descend into the well, fetch up a vessel of water in