At Sāvatthi.
“Bhikkhus, beings come together and associate |according to disposition::in line with their mental qualities or inclinations [dhātuso]|. The |lazy::procrastinating, inactive person, indolent [kusīta]| come together and associate with the lazy; the |unmindful::forgetful, muddle-minded [muṭṭhassatī]| come together and associate with the unmindful; the |undiscerning::without wisdom [duppañña]| come together and associate with the undiscerning; those |with energy aroused::with initiative [āraddhavīriya]| come together and associate with those with energy aroused; those |attending mindfully::wth presence of mind [upaṭṭhitassatī]| come together and associate with those attending mindfully; the |wise::discerning, percipient [paññavant]| come together and associate with the wise.”