Whether diversity is a social benefit depends on whether it creates excuses to fight each other for special treatment. Politicizing our differences is far more likely to make diversity a source of conflict.

It is possible to determine in terms of money prices the sum of the income or the wealth of a number of people. But it is nonsensical to reckon national income or national wealth.

Entrepreneurs are the reason consumers have come to expect new gains and innovations in products and services every year. Without entrepreneurs, we'd still be using rotary phones.