In cases in which the spirits suggest changes in the order of sitting of the members of the circle, or suggest other changes in the personnel of the circle, such suggestions should be heeded, and those who are asked to withdraw from the table should not feel hurt or offended, for there is usually nothing personal in the matter, and no personal reflection intended by the spirits; the whole matter is one connected with psychical or magnetic requirements, and all should so accept it. A writer on this subject has well said: "If you are requested, either by the controlling intelligence or by the manager of the circle, to take another place, or even if your room is desired for some unknown cause, do not get angry and create a disturbance, but get with those with whom you are in spiritual harmony and try it again. All who have succeeded have passed through great trials and failures, and when success is gained, think of what you have gained. A knowledge of immortality, possibly, or you have assisted in producing an instrument through which proofs of immortality may be given." Psychic Attunement. One of the most common faults of the sitters at a circle is to become unduly impatient, and to try to force matters to a clear manifestation of phenomena almost from the moment of the start. This is all wrong, and is frequently the cause of many failures to obtain the higher phases of mediumistic phenomena. Sitters should remember this important point, i.e., that the first requisite of the circle should be to secure perfect and free communication and flow of spiritual power--after this the more elaborate phases of phenomena may be obtained with comparative ease. One should hold in mind the illustration of a great wireless telegraph system, in which the sending and receiving instruments have not as yet been placed in perfect attunement. In such a case it is of course necessary for the two respective sets of instruments to be adjusted so that they may be in perfect attunement with each other; and until this is accomplished, there can be messages sent or received properly--certainly none received in this way. If this idea be held in mind, their circle will probably secure the psychic attunement in a much shorter time than otherwise. Pre-Test Manifestations.