I'm trying out a new mental exercise. Every morning, I think of the jumble of thoughts of past, present & future that I deal with each day as so many pebbles. It's my daily job to try to build something out of them. I take each pebble and mentally turn it over and over, selecting the strongest for the foundation. Those that are ugly, misshapen, or just don't fit, I set aside. Who knows?-- maybe they'll fill a gap later, or will be useful in some way I can't predict. Others I polish up a bit and pile up on top of my base. I don't know or care what kind of structure they form -- the only thing that matters is stability, I think.