To mark this anniversary, here are seven quotes from President Harry Truman’s address to the delegates, delivered from the White House on April 25, 1945. 1. “The world has experienced a revival of an old faith in the everlasting moral force of justice.

In the seven decades since, the world has been transformed by new technologies, by the forces of globablization, and not least, by the accomplishments of the United Nations itself.

"The United Nations was founded 70 years ago, at the end of World War II. Since that time, Japan has steadfastly walked the path of peace and rebuilt a nation. And, since the mid-1950s onward, we have actively worked to share our experience of deve..." - Shinzo Abe

Its work is as important today as it was 70 years ago. From responding to crises from Syria to South Sudan to working with world leaders on a global agenda to promote opportunity for all and protect the planet, the UN is on the frontlines of today’s challenges and tomorrow’s opportunities.

But perhaps two moments stand out in the proud history of our Organization: the first is the invention of peacekeeping that allowed the United Nations to truly foster world peace through a...