Dale Carnegie said, “Be hearty in your approbation and lavish in your praise.” Dale Carnegie wrote one of the world’s best-selling motivational self-help books of all time, How to Win Friends and Influence People, in 1936. This book has sold over 30 million copies and still appears on bestseller lists, even to this day. Maybe Dale Carnegie should have written a special book on toilet-training for toddlers. He could have called ...