Jainism ke anusar, ek prasiddh katha hai jismein "Muni Maharaj ki hatya ek Soni (Soni vyapari) ne ki thi." Yeh katha Adinath Bhagwan ke samay ki hai. Is katha mein ek Soni vyapari tha jiska naam "Sagar Soni" ya "Sona Soni" bataya jata hai. Usne apni laalach ya kisi galatfahmi ke karan ek Jain muni ki hatya kar di thi.

Is paap ke karan us Soni ko bhayankar narak ki yoni mil gayi thi, aur use atyant dukh bhugatna pada tha. Jain dharm is katha ke madhyam se yeh sandesh deta hai ki humein hamesha ahimsa ka palan karna chahiye, aur muni, sadhu-sadhvi jaise pavitra jeevon ka samman karna chahiye.

Yeh katha Jain dharm ke granthon aur lok kathayon mein milti hai jo ahimsa aur samyak darshan ka mahatva batati hai.