Retirement speeches should be positive. They should look to the future and what it may bring. That is not to say, of course, that they should not mention the past. Someone who is retiring has a past with a particular company and that should be mentioned and celebrated. Over the years a retiree will usually have made many good friends. Leaving the company then may make him or her feel lonely, as though they he or she were losing those friendships. A colleague or boss who is addressing the retiree...