I am always happy to be back where my Institute life started and I am grateful to your Committee for fitting me in at short notice.

When you start to write, ideas take on a being of their own. Life is a shy child which hides its face when you stand aloof, but is soon at your elbow to help when you kneel to build with its bricks. Then other bricks begin to appear. As it turns out, my helper is concerned about imagination so ‘imagination’ shall be our subtitle.

First, a brief reference to my 1972 paper: the winning themes were—in reverse order, as for beauty queens—third prize to the imminent collapse of our society, second prize to the essential unity of the universe, but an easy winner was double faults at tennis.