If you buy things you do not need, soon you will have to sell things you need.

The quote highlights the danger of living beyond our means, which is a common problem in today's consumer-driven society. It suggests that we should be careful and intentional with our spending, only buying things that we truly need or that will bring us long-term value. This can help us to avoid financial struggles and ensure that we have enough resources to meet our basic needs in the future.