Time is the friend of the wonderful business. It's the enemy of the lousy business. If you're in a lousy business for a long time, you're going to get a lousy result, even if you buy it cheap. If you're in a wonderful business for a long time, even if you pay a little too much going in, you're going to get a wonderful result if you stay in a long time.
So smile when you read a headline that says "Investors lose as market falls." Edit it in your mind to "Disinvestors lose as market falls-but investors gain." Though writers often forget this truism, there is a buyer for every seller and what hurts one necessarily helps the other. (As they say in golf matches: "Every putt makes someone happy.")
Businesses always have opportunities to improve service, product lines, manufacturing techniques, and the like, and obviously these opportunities should be seized. But a business that constantly encounters major change also encounters many chances for major error
Cash, though, is to a business as oxygen is to an individual: never thought about when it is present, the only thing in mind when it is absent... When bills come due, only cash is legal tender. Don't leave home without it.
You have to be able to communicate in life and probably schools underemphasize that. If you can't talk to people or write, you're giving up your potential.