Looking at the other person's point of view and arousing in him an eager want for something is not to be construed as manipulating that person so that he will do something that is only for your benefit and his detriment. Each party should gain from the negotiation.
Dale CarnegieFor better or worse, you must play your own little instrument in the orchestra of life.
Dale CarnegieIf we are so contemptibly selfish that we canโt radiate a little happiness and pass on a bit of honest appreciation without trying to screw something out of the other person in returnโif our souls are no bigger than sour crab apples, we shall meet with the failure we so richly deserve.
Dale Carnegie