Peace is never a perfect achievement.

Sometimes in peacekeeping operations you show force in order not to use force - people realise that there's a pushback and there's a solid force there that's not going to be pushed around, that sometimes helps.

Generals often find a way of dealing with generals on the officer-to-officer level. In the hierarchy of the military and with the almost similar structure and similar language, they find a way of dealing with each other.

Tony Blair is a very able politician; he's perhaps one of the best of his generation. He made a major contribution in many areas, but in Iraq I believe he got it wrong. He got it wrong.

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.

Education is the great equalizer of our time. It gives hope to the hopeless and creates chances for those without.

There is a certain tendency on the part of some Americans to treat the UN as a multilateralism à la carte where you pick and choose where it suits you and when it doesn't suit you, you pull back.