No man is big enough to live and progress by his own ideas alone. Co-operation of ideas and co-operation on ways and means of doing things — this is the keynote of modern business and of modern life.
And of salesmanship is this especially true. The trained salesman is a man with a perfected mental equipment. He has a fund of information to draw upon which helps him in his every need. When a difficulty is met with he searches in his mind for a similar experience of his own or of some other seller of goods — an experience which he can make use of in arriving at the solution of the problem which confronts him. Out of his mental storehouse, filled to the brim with the ideas and arguments of master minds in selling, he can draw a thought which will enable him to overcome a difficulty and accomplish the one purpose to which he is bending every effort — the making of a sale.