Their overall satisfaction with their lives appears to be greater if they're more physically active.

I think the take-home message ... is anything is better than nothing, a little more is probably better.

It's almost a vicious cycle.

Give me, indulgent gods! with mind serene, And guiltless heart, to range the sylvan scene; No splendid poverty, no smiling care, No well-bred hate, or servile grandeur, there.

Nature holds the key to our aesthetic, intellectual, cognitive and even spiritual satisfaction.

For me, in terms of personal satisfaction, the mission's already accomplished. I already won. As soon as the journalists were able to work, everything that I had been trying to do was validated. Because, remember, I didn't want to change society. I wanted to give society a chance to determine if it should change itself.