But to become a successful Astrologer he must study patiently for several years, testing each statement that is made in the books by reference to his own and several other horoscopes. He must be able to erect a figure of the Heavens with mathematical accuracy for any given time and place, work out directions by the use of the sphere or trigonometrical tables, and have a competent knowledge of the motions and periods of the various planetary bodies. When thus satisfied in his own mind that Astrology is a dependable science, and that he is capable of demonstrating it under test conditions, he must be generous in the use of it. Here and there he will find one who is opposed to the belief that the stars have any influence in human affairs. Let him not waste logic with such a man, but go straight to the task of convincing him by an appeal to facts. For preference, select a period when the directional influences are such as seem likely to hit the sceptic with considerable force, define the event, make a careful calculation of the time of its fulfilment, and put them on paper, which, being yet unread by the man of Common-sense, should be placed under cover, sealed, and endorsed to be opened only after a certain date. Now a man who has been hammered rather severely and in quite an unexpected manner, is usually open to conviction of truth when he finds that the nature and date of his disaster have been accurately foretold. Being a man of “common-sense” and not of intuition, he will probably think that the Astrologer might even have saved him from the consequences of his own lack of foresight. So indeed might the Astrologer have done had he taken the management of affairs from the beginning; but to step in half-way to arrest causes which are already in operation and charged with inevitable effects, is requiring too much of any man short of a Prime Minister! There are certain things which even the most astute deductive reasoner cannot foresee, and these are the points that should be utilised by the Astrologer who seeks to convince others of the truth of his science. A man cannot reason from his doorstep to a street accident. If he could he would avoid it. All men are not subject to accidents, however. But almost all are subject to bereavements, losses, sicknesses, and changes of fortune. Those are the points which the Astrologer intent on proselytising, usually makes use of. But events need not be in futurity to carry conviction. If it can be shown that by mathematical calculations the events of the past can be recited with precision and exactness, it is evident to the meanest intellect that nothing hinders from an extension of such calculations into the future. And once convinced of the reliability of such claims to foreknowledge, the practical man of the world is not slow to avail himself of its uses.