Quotes and aphorisms about fruitful B. F. Skinner Isaac Asimov Soren Kierkegaard B. H. Liddell Hart Fethullah Gulen Ian Harding ,, As a child, my sister and I had very fruitful imaginations, and I would think that I wanted to be o... Oleksandr Usyk Lawrence M. Krauss Dwight D. Eisenhower Ellen G. White