He or she will succeed as a technical professional, but not as a group manager or leader. This is the Peter Principle at work. Three hundred and fifty years ago, Miyamoto Musashi showed the key to defeating the Peter Principle. He identified the basic skills long before business management became a science. He wrote, Polish the twofold spirit heart and mind, and sharpen the twofold gaze perception and sight.
Sight is direct observation and perception is intuition.
Polishing and sharpening were vital operations in the care of the Japanese sword. The sword was the soul of the Japanese warrior. Musashi tells us how to polish and sharpen the sword of the intellect. This is the instrument of all victories. The strategist must have an internal locus of control.