Ok, so with optimizing the process of taking lemons from the tree with technology we can care less of the tree (resources). But, at the end, the tree is the sa

Ok, so with optimizing the process of taking lemons from the tree with technology we can care less of the tree (resources). But, at the end, the tree is the same, so we can stay X years more using more productive ways to consume this resources, but at the end we life in a limited world. So isn't logical to thing that a neverending grow is impossible? I think we have two ways, or stop growing, so we become a world sustainable or we find somehow to produce infinite resources.