Jack Bogle's passionate cry of Enough! contains a thought-provoking litany of life lessons regarding our individual roles in commerce and society. Employing a seamless mix of personal anecdotes, hard evidence and all-too-often-underrated subjective admonitions, Bogle challenges each of us to aspire to become better members of our families, our professions and our communities. Rarely do so few pages provoke so much thought. Read this book.

I think nobody is in a position to react to these big macro-issues. Where is the dollar going to be or what is G.D.P. growth going to be in China? For every smart person on one side of the question, there is another smart person on the other side.

I've always viewed high-frequency trading as a tax on the rest of us.

Active management strategies demand uninstitutional behavior from institutions, creating a paradox that few can unravel. Establishing and maintaining an unconventional investment profile requires acceptance of uncomfortably idiosyncratic portfolios, which frequently appear downright imprudent in the eyes of conventional wisdom.

I believe that the greatest teachers create thinking students.

Invest in low-turnover, passively managed index funds... and stay away from profit-driven investment management organizations... The mutual fund industry is a colossal failure... resulting from its systematic exploitation of individual investors... as funds extract enormous sums from investors in exchange for providing a shocking disservice... Excessive management fees take their toll, and manager profits dominate fiduciary responsibility.

Unless an investor has access to “incredibly high-qualified professionals,” they “should be 100 percent passive - that includes almost all individual investors and most institutional investors.