The Mystery of Banking by Murray N. Rothbard (pg. 46)

Everyone rushes out to spend their new surplus cash balances. But, as they rush to spend the money, all that happens is that demand curves for all goods and services rise. Society is no better off than before, since real resources, labor, capital, goods, natural resources, productivity, have not changed at all. And so prices will, overall, approximately double, and people will find that they are not really any better off than they were before. Their cash balances have doubled, but so have prices, and so their purchasing power remains the same.