The King will pledge to continue to serve the Commonwealth “ to the best of my ability ” following his diagnosis with cancer, saying his faith in its potential “ remains as sure and strong as it has ever been ”.... In his first major speech since he began receiving medical treatment, the King will say he has been “ most deeply touched ” by the “ wonderfully kind and thoughtful good wishes ” sent by the public. The video message will be broadcast on Commonwealth Day, as the Queen leads the Royal