Buffett is known for his long-term investment philosophies and willingness to hold winning stocks, even if they become significant portions of his portfolio. Just four winning stocks make up 57% of Berkshire Hathaway's $277 billion stock portfolio. Here they are, and why they are still excellent buy-and-hold candidates for any long-term investor.

The Oracle of Omaha is retiring soon, but these ETFs can help investors channel different aspects of his investing philosophy.

Warren Buffett has uttered lots of words of wisdom, but they're more than just sound bytes. Since Buffett took over Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) in 1965, it has returned an average annualized rate of 19.