Courtesies cannot be borrowed like snow shovels; you must have some of your own.
John Wanamaker Quotes
I learned thirty years ago that it is foolish to scold. I have enough trouble overcoming my own limitations without fretting over the fact that God has not seen fit to distribute evenly the gift of intelligence.
Courtesy is the one coin you can never have too much of or be stingy with.
Many persons have an idea that one cannot be in business and lead an upright life, whereas the truth is that no one succeeds in business to any great extent, who misleads or misrepresents.