In the words of U.N. Secretary-General Javier Pérez de Cuéllar, "She is the United Nations. She is peace in the world." Nawaz Sharif, the Prime Minister of Pakistan said that Mother Teresa was "A rare and unique individual who lived long for higher purposes. Her life-long devotion to the care of the poor, the sick, and the disadvantaged was one of the highest examples of service to our humanity."