Buffett didn't end on a sour note, though. He believes in the ongoing story of the U.S. economy and made several humorous points about how lucky he feels to be an American. "If I were being born today, I would just keep negotiating in the womb until they said, 'You can be in the United States,'" he said.

In the quote above, Buffett, 94, explained to The Wall Street Journal in an interview published Wednesday that while he’s feeling his age, his skills as an investor haven’t diminished.