It is by teaching that we teach ourselves by relating that we observe by affirming that we examine by showing that we look by writing that we think by pumping that we draw water into the well.
Walking is magic. Can't recommend it highly enough. I read that Plato and Aristotle did much of their brilliant thinking together while ambulating. The movement the meditation the health of the blood pumping and the rhythm of footsteps...this is a primal way to connect with one's deeper self.
The best activities for your health are pumping and humping.
Today we see a human population of over 6 billion people many of whom have serious medical conditions which either can't be treated or cannot be treated economically.