Adhipateyyasutta 3.9

3.9

Ahañceva kho pana evaṃ svākkhāte dhammavinaye pabbajito samāno kusīto vihareyyaṃ pamatto, na metaṃ assa patirūpan’ti.

Now that I’ve gone forth in this well explained teaching and training, it would not be appropriate for me to live lazy and heedless.’