When the US withdrew their troops from Somalia, I recall making a comment that [in] the way the peacekeepers had been withdrawn from Somalia, the impression had been given that the easiest way to unravel a peacekeeping operation is to kill a few soldiers.

However much one tries to suppress the will of the people they eventually will have the last word.

On this International Day of Peace, let us all honor those who have suffered from violence. Let us hold in our hearts the ideal of peace.

I don't see a situation where one side will win militarily, take over Syria, and there will be peace and quiet, a clean victory.

Human beings are not property. On the International Day for the Abolition of Slavery, let us reaffirm the inherent dignity of all men, women and children. And let us redouble our efforts so that the words of the Universal Declaration of Human Rights - 'no one shall be held in slavery or servitude' - ring true.

I am often asked what can people do to become a good global citizen? I reply that it begins in your own community.

In all these cases, part of the reasons for failure perhaps was not analyzing and assessing the true nature of the crisis, the resources that would be required, and exaggerated expectation of what the U.N. troops can do.