The only thing wrong with such an assertion is, first, that the true meaning is lost in the specific intention, and, second, that it is inconsiderate of the comprehensive value couched in its triune characteristics.
Salesmanship comprises every phase of human activity.
It is one of the first lessons we learn by association, and is intuitive in our very being. It is not only a born characteristic of the human but likewise of the animal kingdom. How often have we observed the dog wagging its tail to obtain our good will and the good will is the price we pay for the canine's assurance of friendliness. Every move we make in the presence of others sells or hinders the sale of our wares and our wares are the larger part of ourselves, since by them we are sustained. The smile, the look of the eye, the facial expression, the spoken word, the laugh, the move of the head and the hand, the step and the poise of our body, all play a part in creating and closing the sale.