Mahabharata 1.58.32

ब्राह्मणान्क्षत्रियान्वैश्याञ्शूद्रांश्चैवाप्यपीडयन्अन्यानि चैव भूतानि पीडयामासुरोजसा

brāhmaṇānkṣatriyānvaiśyāñśūdrāṃścaivāpyapīḍayananyāni caiva bhūtāni pīḍayāmāsurojasā

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