Atharvaveda 20.92.18

20.92.18

nákiṣ ṭáṃ kármaṇā naśad yáś cakā́ra sadā́vr̥dham |
índraṃ ná yajñáir viśvágūrtam ŕ̥bhvasam ádhr̥ṣṭaṃ dhr̥ṣṇvòjasam ||18||

No one by deed attains to him who works and strengthens evermore: No, not by sacrifice, to Indra praised of all, resistless, daring, bold in might;