Bhagavad-gītā 4.40
BG 4.40
Open the full passageअज्ञश्चाश्रद्दधानश्च संशयात्मा विनश्यति । नायं लोकोऽस्ति न परो न सुखं संशयात्मनः ॥४०॥
Sanskrit
ajñaś cāśraddadhānaś ca saṁśayātmā vinaśyati nāyaṁ loko 'sti na paro na sukhaṁ saṁśayātmanaḥ
Translation
But ignorant and faithless persons who doubt the revealed scriptures do not attain God consciousness; they fall down. For the doubting soul there is happiness neither in this world nor in the next.