Anybody who comes to you and says he has a perfect language is either naive or a salesman..

Be liked and you will never want..

To get a traveling salesman drunk is the height of impossibility..

The best of merchandise will go back to the shelf unless handled by a conscientious, tactful salesman..

When you're dealing with machines or anything that you build, it either works or it doesn't, no matter how good of a salesman you are..