08-26-2014, 09:51 AM
Ra's referring to Just Space, and then Just Time, respectively, in the manner at which we perceive. The Slash denotes that they aren't, in truth, different, and Physics supports this, but we still view them as separate concepts, so he defines which concept he's referring to by putting it before the Slash. Time/Space is Time, Space/Time is Space, Love/Light is Love, and Light/Love is Light. It's just in his eyes, each Combination is a single idea.