The Centre of the Universe (link)

The early Greeks wrote gnothi seauton (γνῶθι σεαυτόν), “Know Thyself” on the walls of the Temple of Delphi, thousands of years ago. Cogito ergo sum. I think therefore I am. A thought by René Descartes as he wrote in his Principia Philosophiae (1644). In short it captures the concept that the only thing I really know, the only thing I can be sure of is me, myself and I. Not in a physical sense, not as body, but I do have thoughts and that at least is Me. ... Click here for more: On Bio and Science: The Centre of the Universe.