Invest in businesses any idiot could run, because someday one will.
I like to buy a company any fool can manage because eventually one will.
Although it's easy to forget sometimes, a share is not a lottery ticket... it's part-ownership of a business.
Know what you own, and know why you own it.
Average investors can become experts in their own field and can pick winning stocks as effectively as Wall Street professionals by doing just a little research.
During the Gold Rush, most would-be miners lost money, but people who sold them picks, shovels, tents and blue-jeans (Levi Strauss) made a nice profit.