Such question occur frequently to thinking people. People answer these questions in different ways.
Some people believe that the purpose of life is getting wealthy.
But these people do not know what their purpose will be after they become wealthy. They have collected millions of dollars. If the purpose of life is to become wealthy, there will be no purpose after becoming wealthy. And, in fact, here comes the problem of some disbelievers or misbelievers. In some stages of their life, they make collecting money the target of life.