I know of no single formula for success. But over the years I have observed that some attributes of leadership are universal and are often about finding ways of encouraging people to combine their efforts, their talents, their insights, their enthusiasm and their inspiration to work together.

To all those who have suffered as a consequence of our troubled past I extend my sincere thoughts and deep sympathy. With the benefit of historical hindsight we can all see things which we would wish had been done differently or not at all.

I cannot lead you into battle. I do not give you laws or administer justice but I can do something else - I can give my heart and my devotion to these old islands and to all the peoples of our brotherhood of nations.

My husband has quite simply been my strength and stay all these years, and I owe him a debt greater than he would ever claim.

The Dalai Lama. He is a very wise man of great inner peace who believes that happiness is the purpose of our lives. Through his teachings and leadership, he continues to make this world a better place in which to live.

I don't want sadness or happiness to affect my life.

Perhaps the more benign and poetic sense of God is established when we are babies in the moments of primal joy we might call 'the epiphanies of infancy' - the sensation of being blissfully held and feeling complete and at one with everything - yet having no words or no need to say it but instead to just assimilate the feeling.

It's not possible to experience constant euphoria, but if you're grateful, you can find happiness in everything.