boy wrote, "I was very much ashamed of myself when I read your little essay in Sunday morning's paper and remembered that when you wrote me last summer I made no acknowledgment of your thoughtfulness. Worse than that, I did not realize that I should have done so. It did not occur to me that a reply to your letter which gave to me and to my parents so much pleasure and satisfaction was required, and that it might possibly have made you feel as happy as your letter made me. I think many people are probably as ignorant of this subject as I was, for no one has ever before called my attention to my duty in such a case. I assure you I shall not offend in the future." Very few letters but are entitled to an acknowledgment of some sort. It leaves a good taste in a body's mouth to receive a reply to a letter he has written, no matter how trifling the business is with which it is concerned.
If letters are to be answered at all, they should be answered promptly, excepting perhaps friendly letters, where there is ordinarily a sort of understanding between friends that a reasonable number of days
