Generate a sentence with "c1" difficulty and starts with: "he ignored mundane".
He ignored mundane topics, such as dietary prescriptions, in his preaching on the basis that all Jains would inevitably know about such matters, and his teachings were directed solely to the subject of the soul and Kundakunda's representation of it as the one eternal and unconditioned entity, the correct understanding of which gives human existence meaning and constitutes the only true religion.