Rationals are driven by complex thoughts, equations, and problems. They have a natural ability and interest in figuring out how machines, systems, and all parts of the world works. They are dedicated, curious, and ingenious- a valuable personality and asset to society. Rationals only make up 5-10% of the overall population, but make great impacts in the world through discoveries, breakthroughs, and thoughts. The Rationals include the Field Marshall (ENTJ), the Mastermind (INTJ), the Inventor (ENTP), and the Architect (INTP).