47th raruraru o Euclid

Koinei te ahua o te ahua ahua o nga mea, no reira kia manawanui. Ko te raruraru 47 a Euclid - e mohiotia ana ko te Pythagorean theorem - he tohu te hiahia ki te "tapawha ma te tapawha." I roto i nga mahi o ia ra, ko te tikanga kia pai to oranga, me te hanga hanganga, koinei te tikanga e whai ana a Freemasons i te wa e whakatakoto ana te turanga.