You know, I have found in the course of a long public life that the things I did not say never hurt me.
Calvin CoolidgeAdvertising is the most potent influence in adapting and changing the habits and modes of life affecting what we eat, what we wear, and the work and play of a whole nation.
Calvin CoolidgeWhenever Nature's bounty is in danger of exhaustion, the chemist has sought for a substitute. The conquest of disease has made great progress as a result of your efforts. Wherever we look, the work of the chemist has raised the level of our civilization and has increased the productive capacity of the nation. Waste materials, formerly cast aside, are now being utilized.
Calvin Coolidge