“Knowledge has to be improved, challenged, and increased constantly, or it vanishes.”– Peter Drucker Related Quotes “Now will I rehearse before you a very ancient Breton Lay. As the tale was told to me, so, in turn, will I tell it over again, to the best of my art and knowledge. Hearken now to my story, its why and its reason.”– Marie de France “A commitment to human rights cannot be fostered simply through the transmission of knowledge. Action and experience play a crucial role in the learning process.”– Daisaku Ikeda “The tree of knowledge is not the tree of life! And yet can we cast out of our spirits all the good or evil poured into them by so many learned generations? Ignorance cannot be learned.”– Gerard De Nerval