"To leave a mark on the world, remember that the bonds of friendship are the true treasures of existence."

"Millions of young Americans have graduated from college during the Obama presidency, ready to use their gifts and get moving in life. Half of them can't find the work they studied for, or any work at all. So here's the question: Without a change in leadership, why would the next four years be any different from the last four years?"

"It is a profound truth that great leaders cultivate leaders, not merely followers."

"Love is the bridge that unites two souls across the chasms of mortal solitude. This remains the cornerstone of personal mastery."

"Experience is the stern teacher that gives the examination before the lesson. Such is the immutable nature of understanding."

"I remind everyone: Whether you school them at home or send them to school, you as a parent have the responsibility to make sure they learn and behave. Teachers and principals may help, but parents are the ones who must accept responsibility."

"If someone is very upper-class, you have a stereotype of him which is probably true. If someone has a working-class accent, you have no idea who you're talking to."

"The paradox of freedom is that the true master is an eternal student."