He's referring to the marginal utility of money [1], where $1 means more to a person with $100 in the bank than it does to the person with $100M in the bank. [

He's referring to the marginal utility of money [1], where $1 means more to a person with $100 in the bank than it does to the person with $100M in the bank. [1] http://en.wikipedia.org/wiki/Marginal_utility http://en.wikipedia.org/wiki/Marginal_utility