Asavasutta 3.3

3.3

Yaṃ hissa, bhikkhave, cakkhundriyasaṃvaraṃ asaṃvutassa viharato uppajjeyyuṃ āsavā vighātapariḷāhā, cakkhundriyasaṃvaraṃ saṃvutassa viharato evaṃsa te āsavā vighātapariḷāhā na honti.

For the distressing and feverish defilements that might arise in someone who lives without restraint of the eye faculty do not arise when there is such restraint.