The strategy we've adopted precludes our following standard diversification dogma. Many pundits would therefore say the strategy must be riskier than… - Warren Buffett

We believe that a policy of portfolio concentration may well decrease risk if it raises, as it should, both the intensity with which an investor thinks about a business and the comfort-level he must feel with its economic characteristics before buying into it. In stating this opinion, we define risk, using dictionary terms, as “the possibility of loss or injury.

More than 99% of my wealth will go to philanthropy during my lifetime or at death. Measured by dollars, this commitment is large. In a comparative sense, though, many individuals give more to others every day. Millions of people who regularly contribute to churches, schools, and other organizations thereby relinquish the use of funds that would otherwise benefit their own families. The dollars these people drop into a collection plate or give to United Way mean forgone movies, dinners out, or other personal pleasures. In contrast, my family and I will give up nothing we need or want by fulfilling this 99% pledge. Moreover, this pledge does not leave me contributing the most precious asset, which is time. Many people, including — I'm proud to say — my three children, give extensively of their own time and talents to help others. Gifts of this kind often prove far more valuable than money.

In our book, alignment means being a partner in both directions, not just on the upside. Many “alignment” plans flunk this basic test, being artful forms of “heads I win, tails you lose.

The free market's the best mechanism ever devised to put resources to their most efficient and productive use. ... The government isn't particularly good at that. But the market isn't so good at making sure that the wealth that's produced is being distributed fairly or wisely. Some of that wealth has to be plowed back into education, so that the next generation has a fair chance, and to maintain our infrastructure, and provide some sort of safety net for those who lose out in a market economy. And it just makes sense that those of us who've benefited most from the market should pay a bigger share. ... When you get rid of the estate tax, you're basically handing over command of the country's resources to people who didn't earn it. It's like choosing the 2020 Olympic team by picking the children of all the winners at the 2000 Games.