Mahabharata 1.164.13

क्षत्रियेण हि जातेन पृथिवीं जेतुमिच्छतापूर्वं पुरोहितः कार्यः पार्थ राज्याभिवृद्धये

kṣatriyeṇa hi jātena pṛthivīṃ jetumicchatāpūrvaṃ purohitaḥ kāryaḥ pārtha rājyābhivṛddhaye

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