Biologists can be divided into two classes: experimentalists who observe things that cannot be explained, and theoreticians who explain things that cannot be observed. Aharon Katzir More Quotes by Aharon Katzir More Quotes From Aharon Katzir Whether we like it or not, the ultimate goal of every science is to become trivial, to become a well-controlled apparatus for the solution of schoolbook exercises or for practical application in the construction of engines. Aharon Katzir goal exercise science Can our Society meet the Challenge of a Technological Future? Aharon Katzir technological our-society challenges