I have been thinking a lot lately about the meaning of life, and wondering what my own highest good and purpose is. Yesterday, I was sitting at the bus stop, waiting for my daughter to come home from school, and thinking about how the only proof we have of existence is Descartes's "I think therefore I am."In that 16th century proof, he proves the existence of himself, the thinker. And I realized something. There is just one thinker. One being, existing as the basis of everything. That being