Role of opposites in the Daodejing

The role of opposites in Daodejing is that opposites attracts. that has  been a true statement ever since I could remember . The chapter help us to grasp a understanding that things that are oppostite they still have the ability to balance one another. You cannot exist without the other ,an example of this is Water and Fire . You need water to put out fires . the water steals' heat from the fuel when evaporating, and thus lowers the temperature, making it more difficult or impossible for the fuel to burn. it is an endless cycle