Skill, Opportunity, Hard Work. One might need at lease two of these, possibly all three to make things happen. Recall von Manstein's four types of officers.

Skill, Opportunity, Hard Work. One might need at lease two of these, possibly all three to make things happen. Recall von Manstein's four types of officers. Also, one of the most successful admirals for the US in WWII tried to avoid as much work as possible and left things to his staff - so that he could be free to make the biggest decisions. It all depends on what you're trying to accomplish.