तीर्थवंशोपदेशः
Tīrtha-vaṃśa Upadeśa: Instruction on the Fruits of Sacred Waters
क्षात्रधर्मिणमप्याजी केतयेत् कुलजं द्विजम् । न त्वेव वणिजं तात श्राद्धे च परिकल्पयेत्
Bhishma said: “My son, even a well-born Brahmin who, in battle, follows the dharma of a kṣatriya should be invited to the śrāddha; but one who engages in trade should never be included in the śrāddha.”
भीष्म उवाच