8 Rules of Investing by Warren Buffett:
Rule 1: Don't lose money.
Rule 2: Never forget rule #1.
Rule 3: Buy not just stocks, but a good business.
Rule 4: It's better to buy a great company at a fair price than an average one at a discount.
Rule 5: The favorite investment period is eternity.
Rule 6: Don't be afraid to be different from others.
Rule 7: Invest only in what you understand well.
Rule 8: Sometimes the right thing to do is to do nothing.