: Allocate 90% of your portfolio to a low-cost S&P 500 index fund and 10% to short-term government bonds.
: Harness the power of time; stay invested for decades rather than days.
: Only invest in businesses and industries you thoroughly understand.
: The best free resource is the official collection of Shareholder Letters .
: A curated selection of his letters organized by topic (corporate governance, finance, and investment).