I dreamed I was a butterfly, flitting around in the sky; then I awoke. Now I wonder: Am I a man who dreamt of being a butterfly, or am I a butterfly dreaming that I am a man?

ISBN 978-0-231-03147-9. Go away quickly and do not soil me with your presence. (2 tr.

His philosophy can be considered a precursor of relativism in systems of value. He is credited with writing—in part or in whole—a work known by his name the Zhuangzi which expresses a philosophy which is skeptical arguing that life is limited and knowledge to be gained is unlimited.