Read this selection from “What I Hope to Leave Behind.” We have come to a place where success cannot be measured by the old standard. Just to make money is no gauge anymore of success. A man may not be able to make as much as his wife, may not be able to make enough to support his family, and yet he may be a success. He may have learned to be happy and to give happiness, too, in striving for things which are not material.

Which sentence best summarizes this selection?