Originally published in 1892 as a series of pamphlets, this etext is based on the second edition, published in 1922. Of interest in this edition is Butler's abridged (80 page) retelling of the story of the Odyssey, ironically, a great resource if you have to brush up on your 'Homer.' Samuel Butler also wrote the dystopian fantasy Erewhon , and, of course, his translation of the Iliad and Odyssey is also available at this site. NOTE: This etext uses Unicode extensively to present polytonic Greek, so consult the Unicode walkthrough if you have trouble viewing it.
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Base of idea has potential, but the three categories are redundant (overlap too much). Could try: What goes around comes around because A, B and C. OR Revenge is bad because it creates a vicious cycle, B, and C.