The main manifestations of our world can be classified into matter, energy, and...mind force. Matter is symbolised by a square to indicate that the structure of matter is not chaotic...The symbol for energy indicates...the primeval [first age] action of our planet, the throwing-up of volcano cones...The symbol for human evaluation...suggests a cone standing on its point, a position which in physics is termed labile [likely to fall, unstable]....All words relating to things and actions refer to something real, which exists outside of our brain. But human evaluations...depend upon the mind of each individual.[3] (1965, p.