I helped Ben with the third edition of Security Analysis, published in 1951.

Don't sell on bad news.

Have a philosophy of investment and try to follow it.

Be sure that debt does not exceed 100% of the equity.

If the stock goes down we want to buy more.

Making a decision to sell is the most difficult thing we do.

Stockbrokers aren't too interested in a stock you can sit there for five years with.