Irving Fisher

The cost of living has doubled since the war.

Money makes money.

The health of a nation depends on the health of its people.

Stocks are cheap at current prices.

The velocity of money is the rate at which money circulates.

Prohibition has failed.

Capital and income are twins.

The world is full of opportunities for those who seek them.

Debt is a burden that grows heavier in deflation.

The measurement of utility is a cornerstone of economics.

Time preference is the root of interest.

The Great War has changed everything.

Hygiene saves more lives than medicine.

The boom cannot last forever.

Income is the flow from capital.

The index of physical volume is essential for economic analysis.

Life is a race against time.

The gold standard is the best monetary system.

Vitality is the spark of progress.

The depression will end soon.