In the discharge of the duties of this office, there is one rule of action more important than all others. It consists in never doing anything that someone else can do for you.
Calvin Coolidge

The business of America is business.
Calvin Coolidge

You can't know too much, but you can say too much.
Calvin Coolidge

One with the law is a majority.
Calvin Coolidge

Advertising is the life of trade.
Calvin Coolidge

We cannot do everything at once, but we can do something at once.
Calvin Coolidge

I have never been hurt by what I have not said.
Calvin Coolidge

Nothing in this world can take the place of persistence. Talent will not; nothing is more common than unsuccessful people with talent. Genius will not; unrewarded genius is almost a proverb.
Calvin Coolidge