Dont try to show people you are smart, because they will get guarded and consider you their threat. For example the TV series Big Boss. If the moment person projects himself/herself to be smart, the plotting amongst housemates starts on how to evict this person. Learn to be dumb! Your bosses have mastered this art that is why they are there where they are. Havent you wondered who made this guy my boss, i am frigging smarter than him. Its a fasade.