If you want to go smoothly in the workplace, you must understand some of the most basic workplace rules. Otherwise, you may lose your job and ruin your future.
At work, when we face promotion and salary increase, we might as well give up the me-centered thinking: "Why not me", but spend more thinking on the people or things around us: "Why him?"
A person's cognition guides his behavior, which in turn determines the direction of his life. Most of the pain in the workplace comes from cognitive limitations.