Maybe the yogi is a parent who's a little more patient with their child, or a more compassionate coworker, or an understanding boss. Perhaps, they pick up a piece of trash that wasn't theirs, turn off a light when they're not in the room, or turn off the water while they brush their teeth, sensitive to the finite nature of our worldly resources. When we become mindful this way, there's a ripple effect. We inspire others to do the same.

A minuscule 4 percent of funds produce market-beating after-tax results with a scant 0.6 percent (annual) margin of gain. The 96 percent of funds that fail to meet or beat the Vanguard 500 Index Fund lose by a wealth-destroying margin of 4.8 percent per annum.

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

I've tried many other styles of yoga, but nothing has ever given me the same centeredness, energy, and internal balance that I feel when practicing Ashtanga Yoga.

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.

My attitude about teaching has always been the same. From early on, I wanted to make yoga accessible so that anyone, regardless of ability, could experience its wonder, joy, and power. I encourage students to question, learn, and develop their own personal practice.

Most active mutual funds are more interested in collecting fees than in boosting returns for investors.