Patanjali Yoga Sutra 2.12

Sanskrit Sutra

क्लेशमूलः कर्माशयो दृष्टादृष्टजन्मवेदनीयः॥१२॥

Swami Vivekananda's translation

The “receptacle of works” has its root in these pain-bearing obstructions, and their experience is in this visible life, or in the unseen life.

Chapter link: Yoga Sutra Chapter 2