Mahabharata 12.219.16

यमर्थसिद्धिः परमा न हर्षये;त्तथैव काले व्यसनं न मोहयेत्सुखं च दुःखं च तथैव मध्यमं; निषेवते यः स धुरंधरो नरः

yamarthasiddhiḥ paramā na harṣaye;ttathaiva kāle vyasanaṃ na mohayetsukhaṃ ca duḥkhaṃ ca tathaiva madhyamaṃ; niṣevate yaḥ sa dhuraṃdharo naraḥ

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