5. Five W’s (and one H) I keep six honest serving-men (They taught me all I knew); Their names are What and Why and When And How and Where and Who. Rudyard Kipling, “ The Elephant’s Child”, 1902
10. Preservation "...let us save what remains; not by vaults and locks which fence them from the public eye and use in consigning them to the waste of time, but by such a multiplication of copies, as shall place them beyond the reach of accident." -- Thomas Jefferson, 1791