In his message for the International Day of Non-Violence, which is also the birthday of Mahatma Gandhi, Ban said, on this day "I call on global citizens everywhere to be inspired by the courage of people like Mahatma Gandhi."
"Gandhi showed the power of peacefully opposing oppression, injustice and hatred. His example has inspired many other history-makers such as Martin Luther King, Jr, Vaclav Havel, Rigoberta Menchu Tum and Nelson Mandela."
He said one needs courage to stand up to those who use violence to enforce their will or beliefs.
"It requires resolve to stand against injustice, discrimination and brutality and to demand respect for diversity and fundamental human rights," he said, adding that non-violence needs leaders backed by an army of brave people prepared to demand peace, freedom and fairness.
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"The United Nations stands for the peaceful resolution of disputes and the end to all forms of violence, whether State-sponsored or embedded in culture and practice, such as the violence and intimidation women and girls endure in all regions.
"Work with your fellow women and men for a world of lasting justice, peace and prosperity for all," he said.