Patanjali Yoga Sutra 4.26

Sanskrit Sutra

तच्छिद्रेषु प्रत्ययान्तराणि संस्कारेभ्यः॥२६॥

Swami Vivekananda's translation

The thoughts that arise as obstructions to that are from impressions.

Chapter link: Yoga Sutra Chapter 4