All [zoos] actually offer to the public in return for the taxes spent upon them is a form of idle and witless amusement, compared to which a visit to a penitentiary, or even to a State legislature in session, is informing, stimulating and ennobling. - H. L. Mencken
Enemies are so stimulating. - Katharine Hepburn
Too many adults wish to 'protect' teenagers when they should be stimulating them to read of life as it is lived. - Margaret A. Edwards
It may be that you are not yourself luminous, but that you are a conductor of light. Some people without possessing genius have a remarkable power of stimulating it. - Arthur Conan Doyle
Few artists thrive in solitude and nothing is more stimulating than the conflict of minds with similar interests. - Arthur C. Clarke
Good communication is as stimulating as black coffee and just as hard to sleep after. - Anne Morrow Lindbergh