Open your mouth and purse cautiously, and your stock of wealth and reputation shall, at least in repute, be great. Johann Georg von Zimmermann More Quotes by Johann Georg von Zimmermann More Quotes From Johann Georg von Zimmermann Be not so bigoted to any custom as to worship it at the expense of truth. Johann Georg von Zimmermann Do not think that your Learning and Genius, your Wit or Sprightliness, are welcome everywhere. I was once told that my Company was disagreeable because I appeared so uncommonly happy. Johann Georg von Zimmermann Never lose sight of this important truth, that no one can be truly great until he has gained a knowledge of himself, a knowledge which can only be acquired by occasional retirement. Johann Georg von Zimmermann