The article is from 2006, but it’s a good read. Were you aware that you were part of an ovarian lottery? 
Oracle of Omaha offers words of wisdom
I think my favourite quote is item #2 in the following list of “things to know” when you invest:
- A stock is a piece of a business. If you don’t want to own the business don’t buy the stock
- Market is there to serve you not to instruct.
The market is a psychotic, drunk, manic depressive selling 4,000 companies everyday. “If you buy a farm, you look to the farm to determine the value of your interest, not to some guy coming by giving you a quote everyday.”
- Know your “Margin of Safety” with every investment.