Skandapurana 5.206.9

5.206.9

nityameva samāgatya svargalokātsa kāmabhāk ..
gautame nirgate rājansamididhmārthameva hi ..
darbhārthaṃ phalamūlārthaṃ svayameva mahātmabhiḥ .. 9 ..

Coming regularly from the world of heaven, he indulged his desire / whenever Gautama had gone out, O king, for the purpose of kindling-wood, / for sacred grass, or for fruits and roots, as the great-souled [sages] themselves do.