What Do We Think?

I was thinking about thinking today and I wonder why I do so much of it. There is just no down time when it comes to consciousness. Even when I meditate, random thoughts pop in just to make me aware that I need to dust the mantel or that dogs bark for no apparent reason. I suppose its no different than, say, my kidneys or my lungs, which do what they do all the time whether or not I give them any attention. It's a good thing that I don't have to remember to circulate my blood or digest my food, because I don't think I'd remember in a timely fashion...I'm too busy thinking about that damn barking dog when I'm trying to meditate!