The article explores where people's wealth comes from and how it relates to their potential wealth. By studying data from Norway, the researchers found that most people get their wealth from their job income. However, for the wealthiest 1%, income from investments like stocks and real estate becomes more important. Surprisingly, inheritances and gifts don't play a big role in determining wealth, even for the richest individuals. But, the wealth of parents does influence how much wealth their children accumulate, with children of wealthy parents getting their wealth from different sources than children of less wealthy parents.