"Let us pay tribute to Nelson Mandela: the ultimate symbol of dignity and unwavering dedication to the revolutionary struggle, to freedom and justice, a prophet of unity, peace and reconciliation. As Mandela's life teaches us, only the concerted effort of all nations will empower humanity to respond to the enormous challenges that today threatens its very existence.", said Cuban President Raul Castro at a memorial meet, appealing for a global Mandela-inspired spirit of unity. Newsclick in this video remembers Mandela, his life and his philosophy.