"However difficult life may seem, there is always something you can do and succeed at." Stephen Hawking's speech leaves audience in tears

Professor Stephen Hawking moved an audience to tears on Sunday when he spoke at an event at Cambridge University to mark his 75th birthday.The theoretical physicist and cosmologist turned 75 in January but an event to mark the diamond jubilee was held on Sunday. At the event, he gave a talk reflecting on his life and scientific work.  Hawkings is renowned for his contributions to the