Yoga Sutras of Patanjali · 2.12
क्लेशमूलः कर्माशयो दृष्टादृष्टजन्मवेदनीयः ॥१२॥
kleśa-mūlaḥ karmāśayo dṛṣṭādṛṣṭa-janma-vedanīyaḥ
The reservoir of karmic latencies, rooted in the kleshas, is to be experienced either in this life or in lives to come.
— Yoga Sutras of Patanjali 2.12
Source: Sanskrit attributed to Patanjali (c. 2nd century BCE – 4th century CE). Public-domain English readings drawn from Swami Vivekananda's 'Raja Yoga' (1896) and Charles Johnston's 'The Yoga Sutras of Patanjali' (1912).