Battering down solar cells on the roofs of Wal-Marts in California. I think that will be some of the highest-return investments that anyone ever makes.

The market is incredibly inefficient and capable on rare occasions of being utterly dysfunctional. And people have a really hard time getting their brain around that fact. They want to believe that it's approximately efficient almost all the time, and it simply isn't true.

I don't mind the government accruing debts as long as every dollar is spent effectively with a high return. That works out fine. If you accumulate debts and waste your money, that's, of course, a disaster.

Jeremy Grantham Quotes