The last two lines define the very core traits needed to succeed at anything, most of all trading. Trading is a mind game which requires a high level of energy and perseverance.When you trade with aggression you have an advantage. You get that extra edge when it's needed most. What separates winners from losers in any endeavor is their mindset. Winners expect to win, demand the best of themselves and refuse to surrender. It is this mentality that carries you the last 5 miles of a marathon, that gets you to the end of the obstacle course, that keeps you focused when things get tough. You need to develop a confidence in your trading abilities. It is this confidence that keeps you in the game and helps you beat your competitors.