A method of emulating the human brain with its thought and rationalization processes is presented here, as well as a method of storing human-like thought. Since the robot posture is corrected by the calculated ZMP-converted value and the corrected desired body position, the corrected gait can satisfy the dynamic equilibrium condition accurately. The pushbutton includes a spring arranged to bias the pushbutton away from the arms and each of the ropes is secured to the free end of a respective one of the arms, these latter being pivotably mounted to a tubular body with the ropes extending through its inside.