"[I]t seems timely that the radical departure in energy concepts presented here, should be available now, when the tide of human development is turning and the impetus of this renewing flood can be harnessed to launch Viktor Schauberger's pioneering discoveries into a world more ready than ever it implement them. At a time also, when the activities of humanity are increasingly seen to be on a head-on collision course with Nature's processes."
January 1, 1970
https://en.wikiquote.org/wiki/Viktor_Schauberger