“Knowledge is knowing that we cannot know.”– Ralph Waldo Emerson Related Quotes “I feel like I’ve reached an age where I can relax a little bit with the knowledge of what I’ve been through, take all that experience and use it. I love the challenge of trying to get back to where I’ve been, and beyond it.”– Cathy Freeman “To know what you know and what you do not know, that is true knowledge.”– Kong Fu Zi “Knowledge may give weight, but accomplishments give lustre, and many more people see than weigh.”– Herodotus