Nelson Mandela Foundation

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About the project

The first in an ongoing series of interviews with inspiring individuals from around the world will be released this March, first as books, and to be followed later in 2020 by feature documentary. Entitled I Know This to Be True, the project is a collaboration between the Nelson Mandela Foundation and its long-time creative partners, Blackwell & Ruth.

With a history of creating projects focussed on equality, humanity and the environment, Geoff Blackwell and Ruth Hobday proposed creating the series while working on a book of Nelson Mandela’s prison letters with the Nelson Mandela Foundation. “This started in response to the relentless news cycle that we are all confronted with; the climate crisis, mass shootings, human suffering, and certain political leaders using tactics of divide and conquer and spreading misinformation to serve their own interests,” says Geoff Blackwell. “Against that backdrop, we were working on a book about Nelson Mandela and his prison letters, and feeling inspired by the sacrifices he made, and the commitment to service that defined his leadership.”

Inspired by these qualities, Blackwell & Ruth and the team at the Nelson Mandela Foundation have developed a project founded on a series of interviews with men and women from around the world who demonstrate the same commitment to selflessness, kindness and the service of others. “We wanted to ask them what really matters to them; to ask them to tell us their truth,” Blackwell explains. “We were looking for, as Greta Thunberg says in her interview, ‘people who care’, people who want to make a difference. Contemporary leaders who, as Gloria Steinem describes, ‘lead by example because, we do what we see, much more often than we do what we’re told.’”

I Know This to Be True will launch with eight small books founded on original and authorized interviews with Albie Sachs, Bryan Stevenson, Gloria Steinem, Greta Thunberg, Jacinda Ardern, Ruth Bader Ginsburg, Stephen Curry and Waleed Aly. Each individual is asked fundamental questions about their values, daily disciplines and thoughts on the world. Alongside these, a unique title, Nelson Mandela: Guiding Principles by Sello Hatang and Head of Leadership & Knowledge Development, Verne Harris, explores the lessons that Mandela’s incomparable leadership offers.

Across the series, messages of courage, compassion, humility, hope and generosity aim to motivate a new generation of leaders ready to create meaningful change. I Know This to Be True will be published on 24 March 2020. More titles will follow later in 2020, including Nobel Peace Laureate Dr. Denis Mukwege, René Redzepi and Simone Biles.

The contributors

Greta Thunberg Copyright © Geoff Blackwell 1
Bryan Stevenson Copyright © Geoff Blackwell 1
Jacinda Ardern Copyright © Geoff Blackwell 1

Greta Thunberg

Bryan Stevenson

Jacinda Ardern

Stephen Curry Copyright © Geoff Blackwell 1
Ruth Bader Ginsburg Copyright © Geoff Blackwell 1
Waleed Aly Copyright © Geoff Blackwell 1

Stephen Curry

Ruth Bader Ginsberg

Waleed Aly

Albie Sachs Copyright © Geoff Blackwell 1
Gloria Steinem Copyright © Geoff Blackwell 1
Nelson Mandela
(Image: © Nelson Mandela)

Albie Sachs

Gloria Steinem

Also available: Nelson Mandela Guiding Principles

How to buy the books

Visit for further details about the project and how to purchase.

Images copyright © Geoff Blackwell, Nelson Mandela images by Andrew Zuckerman, copyright © Nelson R. Mandela
Nelson Mandela, the Nelson Mandela Foundation and the Nelson Mandela Foundation logo are registered trademarks of the Nelson Mandela Foundation