'The eye can not say to the hand- I have no need of you'. Why did Paul say this?

Paul said this to emphasise the need for unity among Christians. He used the analogy of the human body, saying that just as every part of the body is important and necessary for the proper functioning of the whole, every member of the church is important and necessary for the proper functioning of the body of Christ. He was reminding the Corinthians that they should not think too highly of themselves or look down on others, but should recognize that they are all part of one body and should work together in unity for the common good. In this way, he encourages the church to be a community of mutual love and support, rather than a collection of isolated individuals.