What did Machiavelli argue determines the success of any state?
The character or vitality or skill of the individual leader determines the success of any state
To answer your question with as few words as possible, "ATTITUDE" The way you approach your work, your day, your co-workers, your boss. is made either stronger or weaker by the attitude you hold in the way you walk, talk, look, dress and act. Those five characteristics, rolled into one state of mind, determines, more than anything else, an individual's success in ANY work situation.