From media critic David Tereshchuk's multimedia site THE MEDIA BEAT, Nelson Mandela's famous declaration to the court in his 1964 terrorism trial, expressing his readiness face execution. In fact the sentence was reduced to life imprisonment. This rare audio-recording was originally made on "dictabelt" technology and rescued for posterity by experts at the British Library.
Source: http://www.youtube.com/watch?v=hb5xVT4mK_4&feature=related