Sīlasuttaṃ [AN 4.12, PTS 2.15]

2.

The Discourse on Morality

12. "Monks, dwell accomplished in morality, accomplished in the Pātimokkha; dwell restrained by the restraint of the Pātimokkha, accomplished in good conduct and lawful resort, seeing danger in the slightest faults. Having accepted the training rules, train in them. For you, monks, dwelling accomplished in morality, accomplished in the Pātimokkha, dwelling restrained by the restraint of the Pātimokkha, accomplished in good conduct and lawful resort, seeing danger in the slightest faults, having accepted the training rules, training in them, what further is there to be done?

"If, monks, for a monk who is walking, covetousness and anger have departed, sloth and torpor... restlessness and remorse... sceptical doubt has been abandoned, energy is aroused and unsluggish, mindfulness is established and unconfused, the body is calm and not excited, the mind is concentrated and fully focused, even while walking, monks, a monk being thus is called 'ardent, having moral fear, constantly and continuously putting forth strenuous energy, resolute'.

"If, monks, for a monk who is standing, covetousness and anger have departed, sloth and torpor... restlessness and remorse... sceptical doubt has been abandoned, energy is aroused and unsluggish, mindfulness is established and unconfused, the body is calm and not excited, the mind is concentrated and fully focused, even while standing, monks, a monk being thus is called 'ardent, having moral fear, constantly and continuously putting forth strenuous energy, resolute'.

"If, monks, for a monk who is sitting, covetousness and anger have departed, sloth and torpor... restlessness and remorse... sceptical doubt has been abandoned, energy is aroused and unsluggish, mindfulness is established and unconfused, the body is calm and not excited, the mind is concentrated and fully focused, even while sitting, monks, a monk being thus is called 'ardent, having moral fear, constantly and continuously putting forth strenuous energy, resolute'.

"If, monks, for a monk who is lying down and awake, covetousness and anger have departed, sloth and torpor... restlessness and remorse... sceptical doubt has been abandoned, energy is aroused and unsluggish, mindfulness is established and unconfused, the body is calm and not excited, the mind is concentrated and fully focused, even while lying down and awake, monks, a monk being thus is called 'ardent, having moral fear, constantly and continuously putting forth strenuous energy, resolute'."