Skandapurana 5.61.18

5.61.18

yenaiva yadyathā pūrvaṃ kṛtaṃ karma śubhāśubham ..
sa eva tattathā bhuṃkte nityaṃ vihitamātmanaḥ .. 18 ..

Just as whatever action, good or evil, was performed by someone previously, / he alone experiences it in that manner, as ordained for himself forever. // 18