Incivility is the extreme of pride; it is built on the contempt of mankind. John G. Zimmerman More Quotes by John G. Zimmerman More Quotes From John G. Zimmerman The aging of the U.S. population is a theme that we believe strongly in and the health care sector is really right in the bulls eye of this particular theme. John G. Zimmerman population eye believe When in doubt, exchange. John G. Zimmerman when-in-doubt doubt