Knowing the edge of your competency is important. If you think you know more than you do, you will get in trouble.
Warren BuffettThis country is going - be living better ten years from now than it is now. It will be living better in 20 years from now than ten years from now. The ingredients that made this country, you know, the miracle of the world - I mean we had a seven for one improvement in the average American standard of living in the 20th century.
Warren BuffettIf we start deciding, based on guesses or emotions, whether we will or won't participate in a business where we should have some long run edge, we're in trouble.
Warren Buffett