Umthelela wolwazi uyaqhubeka, unikeza imivuzo eqhubekayo kumnini walo, kokubili lapho bephila nangemuva kokufa, lapho befundisa abanye ngobuhle, babe nabafundi abadlulisela lokho abakufunde kubo, nezincwadi zababhali, babambe izinkulumo, futhi babhale ulwazi oluzuzisayo.
