Bhagavad-gītā 3.32
BG 3.32
Open the full passageये त्वेतदभ्यसूयन्तो नानुतिष्ठन्ति मे मतम् । सर्वज्ञानविमूढांस्तान्विद्धि नष्टानचेतसः ॥३२॥
Sanskrit
ye tv etad abhyasūyanto nānutiṣṭhanti me matam sarva-jñāna-vimūḍhāṁs tān viddhi naṣṭān acetasaḥ
Translation
But those who, out of envy, disregard these teachings and do not follow them regularly are to be considered bereft of all knowledge, befooled, and ruined in their endeavors for perfection.