This quote means that taking care of our environment and using resources in a careful and responsible way is essential for us to remain alive on this Earth, and it will also help us to become successful in many different areas. Sustainability is the concept of using resources in a way that doesn’t harm them, so that we can keep using them in the future. It includes things like reducing waste, conserving energy and water, and recycling. It is important for us to make sure that we use these resources in a sustainable way, to make sure that our planet is healthy and that we are able to be successful in a variety of areas.