“What counts in life is not the mere fact that we have lived. It is what difference we have made to the lives of others that will determine the significance of the life we lead”

Former U.S. President Barack Obama (second from left), Graça Machel (first from left), widow of former South African President and world icon Nelson Mandela, and South African President Cyril Ramaphosa (first from right) dance during the 16th Nelson Mandela Annual Lecture at the Wanderers Stadium in Johannesburg, South Africa. Photo: AFP/Marco Longari.