A dash is a mark of separation stronger than a comma, less formal than a colon, and more relaxed than parentheses.
William Strunk, Jr.In exposition and in argument, the writer must likewise never lose his hold upon the concrete; and even when he is dealing with general principles, he must furnish particular instances of their application.
William Strunk, Jr.Avoid fancy words....If you admire fancy words, if every sky is beauteous, every blonde curvaceous, every intelligent child prodigious, if you are tickled by discombobulate, you will have bad time Reminder 14.
William Strunk, Jr.