“Humility is a great quality of leadership which derives respect and not just fear or hatred.”

“Leadership appears to be the art of getting others to want to do something you are convinced should be done.”

“A man who wants to lead the orchestra must turn his back on the crowd.”

“The message of the free world to any potential Palestinian leadership should be a simple one: Embrace democratic reform and we will embrace you.”

“I want to use my position of leadership to help move along at a faster pace what I believe and know the Obama administration wants to do around the urgency of climate change.”

“You have to think anyway, so why not think big?”

“When a man assumes leadership, he forfeits the right to mercy.”

“I had the closest thing I have ever had to an out-of-body experience lying in bed one morning. I turned on the 'Today' programme and item four on the news was: 'The shadow chancellor has ruled himself out of the leadership.' I lay there thinking that's interesting, then I realised it was me.”

“We need the kind of leadership exemplified by President Kennedy to just do it! But we must do it as good stewards, aggressively exerting control over the moon. We can best do this by going there.”

“In working with UNICEF our corporate partners have demonstrated time and again that their financial resources, leadership and expertise can bring about real and lasting benefits for the world's children.”

“I want to deploy the leadership to meet the challenges that face us and to restore America's greatness.”

“It simply cannot be disputed that for decades the Palestinian leadership was more interested in there not being a Jewish state than in there being a Palestinian state.”

“The public sector certainly includes the Department of Labor. Those are jobs that are available. They are open and they are good paying jobs. The government as a whole has been actually retrenching under President Clinton's leadership.”

“This week you will nominate the most experienced executive to seek the presidency in 60 years in Mitt Romney. He has no illusions about what makes America great, and he doesn't confuse the presidency with celebrity, or loftiness with leadership.”

“Leadership requires the courage to make decisions that will benefit the next generation.”

“Instead of starting a new nuclear arms race, now is the time to reclaim our Nation's position of leadership on nuclear nonproliferation efforts.”

“The current leadership of the Labor party react to the idea that working-class students might study the subjects they studied with the same horror that the Earl of Grantham showed when a chauffeur wanted to marry his daughter.”

“Management is doing things right leadership is doing the right things.”

“Organizations endure, however, in proportion to the breadth of the morality by which they are governed. Thus the endurance of organization depends upon the quality of leadership and that quality derives from the breadth of the morality upon which it rests.”

“The art of leadership is saying no, not saying yes. It is very easy to say yes.”

“Leadership is solving problems. The day soldiers stop bringing you their problems is the day you have stopped leading them. They have either lost confidence that you can help or concluded you do not care. Either case is a failure of leadership.”