You’d get very rich if you thought of yourself as having a card with only twenty punches in a lifetime, and every financial decision used up one punch. You’d resist the temptation to dabble. You’d make more good decisions and you’d make more big decisions.

You should be unconcerned about short-term price action when you own the securities directly, just as you were unconcerned when you owned them indirectly through BPL. I think about them as businesses, not "stocks", and if the business does all right over the long term, so will the stock.

Don't pass up something that's attractive today because you think you will find something way more attractive tomorrow.

The commission of the investment sins listed above is not limited to 'the little guy.' Huge institutional investors, viewed as a group, have long underperformed the unsophisticated index-fund investor who simply sits tight for decades. A major reason has been fees: Many institutions pay substantial sums to consultants who, in turn, recommend high-fee managers. And that is a fool's game.

The approach and strategies are very similar in that you gather all the information you can and then keep adding to that base of information as things develop. You do whatever the probabilities indicated based on the knowledge that you have at that time, but you are always willing to modify your behaviour or your approach as you get new information. In bridge, you behave in a way that gets the best from your partner. And in business, you behave in the way that gets the best from your managers and your employees.

In the great majority of cases we simply do not know enough about the industry or company to come to sensible judgments-in that situation we pass.

Time is your friend, impulse is your enemy. Take advantage of compound interest and don't be captivated by the siren song of the market.