उशनसः (शुक्रस्य) चरितम् — The Account of Uśanā (Śukra): Yoga, Grievance, and Pacification
क्षपयित्वा तु तं कालं गणितं कालचोदिता: । सावशेषेण कालेन सम्भवन्ति पुन: पुन:
kṣapayitvā tu taṃ kālaṃ gaṇitaṃ kālacoditāḥ | sāvaśeṣeṇa kālena sambhavanti punaḥ punaḥ ||
مقررہ اور گنا ہوا وہ زمانہ بھگت کر چکا دینے کے بعد، کال کی تحریک سے—باقی رہ جانے والے کرم سمیت—وہ بار بار پھر جنم لیتے ہیں۔
भीष्म उवाच
Even after a being enjoys or suffers the results of actions in heaven or hell for a fixed duration, rebirth continues until the remaining (residual) karma is exhausted; Time (kāla) is presented as the force that propels this recurring cycle.
In Bhīṣma’s instruction to Yudhiṣṭhira in the Śānti Parva, he explains the mechanics of post-mortem experience and return: beings spend the allotted term for their karmic fruits, and then—if any karmic residue remains—Time drives them back into repeated births in the world.