This paper examines the Nalopākhyāna and the Sāvitryupākhyāna, two important upākhyānas included in the Vana Parva of the Mahābhārata. The first tells the story of Nala and Damayantī, while the second tells the story of Sāvitrī and Satyavān. These stories are often read mainly as romantic narratives about devoted wives, separation, suffering and reunion. This paper argues that such a reading is incomplete. Within the larger structure of the Mahābhārata, both stories serve a clear didactic purpose. They are told to Yudhiṣṭhira during a period of crisis and are intended to teach him about dharma, suffering, truth, patience and the possibility of recovery. The central argument of this paper is that satya or truth, functions in both stories not simply as a moral virtue but as an active and powerful force. It becomes a means through which apparently impossible situations are changed. Damayantī's fourfold truth-oath at her svayaṃvara causes the disguised gods to reveal their true forms and allows her to identify Nala. Sāvitrī's sustained and truthful conversation with Yama gradually leads to the restoration of her husband Satyavān's life. In both cases, truth is expressed through speech and is closely connected with the women's fidelity and commitment to dharma. The paper places these episodes within the wider Indian tradition of the satyakriyā or “Act of Truth,” in which a person states a truth about his or her own conduct and the truth itself produces an effect in the world. The paper does not attempt to settle the larger historical question of the origin of the satyakriyā tradition. Instead, it uses the concept as a useful framework for understanding the particular role of truthful speech in the two Mahābhārata stories. The paper also examines the relationship between satya, karma and daiva or fate. The two stories present suffering as something that may arise from past actions, human mistakes or forces beyond individual control. Yet they also show that such forces do not completely determine the final outcome. The paper further argues that these philosophical ideas are not presented in a completely imaginary or placeless world. Both stories are connected with named kingdoms and regions such as Vidarbha, Nishadha, Ayodhyā, Cedi, Madra and Śālva. Although the precise identification of some ancient places remains uncertain, these geographical references suggest that the stories were understood within a recognizable cultural and territorial world. Geography, therefore strengthens their didactic function by presenting philosophical lessons through stories situated in a familiar, though often distant, landscape. The paper concludes that the Mahābhārata teaches dharma not only through direct statements but also through narrative examples. Damayantī and Sāvitrī stories, therefore, suggest that suffering may be caused by karma or daiva, but truthful and righteous action can still shape its outcome.