Do send a postage stamp when you write a letter of inquiry, the answer to which is of interest only to yourself. A stamped and addressed envelope would be a still better enclosure.
Do, if you are an absent son or daughter, write home promptly and regularly; the comfort this will be to the parents at home, and the pain they suffer at any negligence on your part, cannot be overestimated. Husbands and wives, when separated for a time, would do well to follow this same advice.
Do date your letters carefully. Events and proofs of the greatest importance have hung upon the date of a single letter.
Do put sufficient stamps upon a letter to make sure of no extra postage falling to the lot of your correspondent.
Do put your address plainly in all letters. This ensures a prompt answer and, in case of miscarriage, a speedy return from the Dead-Letter Office.
Do, if a business man or woman, have your address on the outside of your envelope. This will make sure of your uncalled-for letters returning to you immediately. It is well to do this in any case where a little uncertain as to the exact address of your correspondent.
Do read your letters over carefully before sending, that no errors may be overlooked.
Do give every subject a separate paragraph instead of running the whole letter, social items and sentiment, all into one indistinguishable whole.
Do begin the first line of each paragraph, at least one inch from the margin of the page.