Jñāneśvarī (commentary on the Bhagavadgītā) 7.5

7.5

taisī jāṇīva jetha na righe |
vicāra māgutāṃ pāulīṃ nighe |
tarku āyaṇī neghe |
āṃgīṃ jayācāṃ ||

So knowledge is that where ordinary intellect cannot enter, / where deliberation turns back its steps, / and whose form logic / can never grasp.