Mahabharata 12.281.22

अग्निरात्मा च माता च पिता जनयिता तथागुरुश्च नरशार्दूल परिचर्या यथातथम्

agnirātmā ca mātā ca pitā janayitā tathāguruśca naraśārdūla paricaryā yathātatham

Our plain-language meaning of this verse is waiting for scholar review.