Jñāneśvarī (commentary on the Bhagavadgītā) 4.198

4.198

taisā viṣayasukhe raṃje |
jo jñāneṃsīṃci māje |
to saṃśayeṃ aṃgikārije |
etha bhrāṃti nāhīṃ ||

Similarly, he who revels in sensual pleasures / and becomes arrogant toward knowledge, / is seized by doubt; / of this there is no question.