text: Not necessarily.  Many people don't know of or see the connection between various Scriptures.  Also, are you able to remember every verse of every book in the Scriptures at any instant?  Sometimes we all need reminding.\n\nIt is like a jigsaw puzzle.  Two adjacent pieces look similar - have similar coloration, etc.  Looking at either piece separately does little to understand what the picture looks like.  But put the two pieces together and a comprehensive picture starts to emerge.