Bhagavad Gita 9.3

अश्रद्धाना: पुरुषा धर्मस्यस्य परन्तप |
अप्राप्य मां निवर्तन्ते मृत्युसंसारवर्त्मनि

Translation

People who have no faith in this dharma are unable to attain Me, O conqueror of enemies. They repeatedly come back to this world in the cycle of birth and death.