The world has lost a visionary leader, a courageous voice for justice, and a clear moral compass. By showing us that the path to freedom and human dignity lies in love, wisdom and compassion for one another, Nelson Mandela stands as an inspiration to us all.

Sadly, a prize for peace is a rarity in this world. Most nations have monuments or memorials to war, bronze salutations to heroic battles, archways of triumph. But peace has no parade, no pantheon of victory.

The number one goal in resolving a conflict is to make sure both sides maintain their self-esteem. You don't hit a man on the head when you've got your fingers between his teeth.

To live is to choose. But to choose well, you must know who you are and what you stand for, where you want to go and why you want to get there.

Our biggest challenge in this new century is to take an idea that seems abstract - sustainable development - and turn it into a reality for all the world's people

The report produced by my commission, the Global Commission on Elections, Democracy and Security, in 2012 showed the corrosive impact of money in US politics, for example, which undermines the legitimacy of the democratic system in citizens' eyes. Such perceptions partly explain the rise of a phenomenon like the success of Donald Trump.

We need to ensure the poorest in the planet - who will be hardest hit by the financial crisis - are not forgotten.