The basic observations and socio-logic

DURABILITY OF X's NATURE / DURABILITY OF IDENTITY

no need to teach X things belonging to its character; hopeless to teach t-s not b. to X's character

The literature references of the proverb type:

Abbreviation: Buc

Buchanan,D.C.: Japanese Proverbs and Sayings 1965 Norman: Oklahoma U.P.. JAP(transl.)/ENG*,ENG

Proverb on page: 127. Proverb on page: 191. Proverb on page: 192.

Abbreviation: Dür II

Düringsfeld, Ida von — Reinsberg-Düringsfeld., Otto von: Sprichwörter der germanischen und romanischen Sprachen II 1875 Leipzig: Hermann Fries.. GER and BOHEM,DAN,DUT,ENG,FR,HUNG,ITA,LAT,POL,SWE etc./GER*

Proverb number(s): 24, 25.

Den Krebs lehren vorwärts gehen. / Er will den Adler fliegen lehren. /Han vil laere Raeven at tage Gaes, og H%gen at fange Duer.

Abbreviation: Stra

Strauss, Emanuel: Dictionary of European Proverbs 1994 New York: Routledge /Questia.com. ENG,GER,FR,SPA,ITA,LAT

Proverb number(s): 449.

An old fox needs not to be taught tricks / Non si insegna a nuotare ai pesci