Ultimately, leadership is not about glorious crowning acts. It's about keeping your team focused on a goal and motivated to do their best to achieve it, especially when the stakes are high and the consequences really matter. It is about laying the groundwork for others' success, and then standing back and letting them shine.

By altering his arrangements and changing his plans, the skillful general keeps the enemy without definite knowledge. By shifting his camp and taking circuitous routes, he prevents the enemy from anticipating his purpose. At the critical moment, the leader of an army acts like one who has climbed up a height and then kicks away the ladder behind him.

I can assure you that every degree of mind and spirit that I possess will be devoted to the long-range interests of the United States and to the cause of freedom around the world.

We can't allow the world's worst leaders to blackmail, threaten, hold freedom-loving nations hostage with the world's worst weapons.

In the long run, we will need many more African-American, Latino, and Native American leaders, and leaders from low-income communities, who can bring additional insight and a deeply grounded sense of urgency, and who are the most likely to inspire the necessary trust and engagement among students' parents and community leaders.

It is simply impossible to lead, without the aid of prayer, a virtuous life.