We gallop through our lives like circus performers balancing...

We gallop through our lives like circus performers balancing on two speeding side-by-side horses--one foot is on the horse called "fate," the other on the horse called "free will." And the question you have to ask every day is--which horse is which? Which horse do I need to stop worrying about because it's not under my control, and which do I need to steer with concentrated effort?