It has been seen that the range of subjects recognized by Protagoras and Prodicus gradually extended itself, until Hippias professed himself a teacher of all branches of learning, including in his list subjects taught by artists and professional men, but handling them from a popular or non-professional point of view.
Best execution is inappropriate as a concept other than for the smallest corporates and non professional individuals.
For a non-professional operator to offer a medical opinion on a radiogram is sheer impertinence " Arthur and Muir (1909) v-vi.
It may be urged that if none of the phenomena is genuine we have to assume a large amount of apparently aimless trickery in non-professional mediums. But it must be borne in mind that the most excellent moral character in the medium is no guaranteee against trickery, unless it can be proved that he was in no abnormal mental condition when the phenomena occurred; and extraordinary deceptions are known to have been carried on by hysterical patients and others with no apparent motive.
Sliding closet doors can be purchased pre-assembled, which makes installation easier for the non-professional.