Having worked my way from the bottom of the ladder to the top [of the UN] certainly helped me navigate that complexity, both political and bureaucratic.

The future belongs to you, but it can only belong to you if you participate and take charge

In their greatest hour of need, the world failed the people of Rwanda.

Over time you get to understand the nature of man and the environments you are dealing with, and you can't always allow emotions and temper to flare up because you're displeased with something, or you want to change it.

Like any large organisation, public or private, the UN is a complex machine.

[Refugees] cannot be stopped, but they can and must be managed better, more humanely, protecting migrants' human rights whilst accepting states' rights to control their borders.

We at the U.N. have to take some of the blame, because we have not lowered expectations creating the impression we are here to save people, even when we have very limited resources.