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"No one is born hating another person because of the color of his skin or his background or his religion. People must learn to hate, and if they can learn to hate, they can be taught to love, for love comes more naturally to the human heart than its opposite."
– South African revolutionary Nelson Mandela, in his 1995 autobiography Long Walk to Freedom, which was largely penned in secret while he was imprisoned for 27 years by the country's apartheid regime
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"I learned that courage was not the absence of fear, but the triumph over it. The brave man is not he who does not feel afraid, but he who conquers that fear."
– Mandela, who became the first black president of South Africa in 1994
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"Education is the most powerful weapon which you can use to change the world."
– Mandela, who championed for education rights and also inspired Oprah Winfrey to open the Oprah Winfrey Leadership Academy for Girls in South Africa
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"A good head and a good heart are always a formidable combination."
– Mandela, whose push for peace and equality earned him the 1993 Nobel Peace Prize, in his book Long Walk to Freedom
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"To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others."
– Mandela's thoughts on liberty, which were quoted by President Barack Obama to the United Nations general assembly in September 2012