The raven hatches its young; the fish spew forth their eggs; the slim-waisted wasp transforms, and when a younger brother comes along the elder brother weeps. For too long I have not been able to work in harmony with these changes. So, given that I did not play my part in harmony with others, how could I expect to change people?
ZhuangziIf there is existence, there must be non-existence. And if there was a time when nothing existed, there must have been a time before that - when even nothing did not exist. Suddenly, when nothing came into existence, could one really say whether it belonged to the category of existence or non-existence?
Zhuangzi