If we want to be honest, how many percent of our surgically treated patients are satisfied with our treatment? 50%, 70%, or 90%? How many percent of our spinal surgeries can restore normal anatomy to the patient? Is it enough to have an academic degree for carrying out spinal surgeries? Does having a gun means having the right to shoot at everyone freely? "Conflict of interest" is a term commonly used in scientific articles. This phrase implies the simultaneous existence of two or more benefits from a research activity that one of these benefits may not be oriented in a same direction of the others. This secondary interest may interfere with primary interest of a professional honest activity and should be clearly explained before the manuscript could be published and used throughout the world.