Howard Graham Buffett

You've got a global food problem. You've got a food problem in the United States. You've got a food problem in Africa... in Asia. And so the truth is, the U.S. is going to have to produce more, on not very many more acres, honestly. And so we're going to have to do a better job.

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.

There may be some backward countries where the mass of the people are on a subsistence level and where, as an aftermath of wars or partial crop failures, the standard of living has to be drastically reduced, but this certainly is not the case in our prosperous nations.