In the past, in the future, and at present, beings come together and associate based on disposition. The faithless come together and associate with the faithless, and other pairs of dispositions are mentioned.
Assaddhasaṁsandana sutta - Faithless
At Sāvatthi.
Inferior Disposition
"Bhikkhus, beings come together and associate according to disposition. The faithless come together and associate with the faithless; the unashamed come together and associate with the unashamed; the morally reckless come together and associate with the morally reckless; those with little learning come together and associate with the little learned; the lazy come together and associate with the lazy; the unmindful come together and associate with the unmindful; the undiscerning come together and associate with the undiscerning.
In the past, too, bhikkhus, beings came together and associated according to disposition. The faithless came together and associated with the faithless; the unashamed came together and associated with the unashamed; the morally reckless came together and associated with the morally reckless; those with little learning came together and associated with the little learned; the lazy came together and associated with the lazy; the unmindful came together and associated with the unmindful; the undiscerning came together and associated with the undiscerning.
In the future, too, bhikkhus, beings will come together and associate according to disposition. The faithless will come together and associate with the faithless; the unashamed will come together and associate with the unashamed; the morally reckless will come together and associate with the morally reckless; those with little learning will come together and associate with the little learned; the lazy will come together and associate with the lazy; the unmindful will come together and associate with the unmindful; the undiscerning will come together and associate with the undiscerning.
Even now, bhikkhus, at the present time, beings come together and associate according to disposition. The faithless come together and associate with the faithless; the unashamed come together and associate with the unashamed; the morally reckless come together and associate with the morally reckless; those with little learning come together and associate with the little learned; the lazy come together and associate with the lazy; the unmindful come together and associate with the unmindful; the undiscerning come together and associate with the undiscerning.
Good Disposition
Bhikkhus, beings come together and associate according to disposition. The faithful come together and associate with the faithful; the conscientious come together and associate with the conscientious; those with fear of wrongdoing come together and associate with those with fear of wrongdoing; the very learned come together and associate with the very learned; those with energy aroused come together and associate with those with energy aroused; those attending mindfully come together and associate with those attending mindfully; the wise come together and associate with the wise.
In the past, too, bhikkhus, beings came together and associated according to disposition. The faithful came together and associated with the faithful; the conscientious came together and associated with the conscientious; those with fear of wrongdoing came together and associated with those with fear of wrongdoing; the very learned came together and associated with the very learned; those with energy aroused came together and associated with those with energy aroused; those attending mindfully came together and associated with those attending mindfully; the wise came together and associated with the wise.
In the future, too, bhikkhus, beings will come together and associate according to disposition. The faithful will come together and associate with the faithful; the conscientious will come together and associate with the conscientious; those with fear of wrongdoing will come together and associate with those with fear of wrongdoing; the very learned will come together and associate with the very learned; those with energy aroused will come together and associate with those with energy aroused; those attending mindfully will come together and associate with those attending mindfully; the wise will come together and associate with the wise.
Even now, bhikkhus, at the present time, beings come together and associate according to disposition. The faithful come together and associate with the faithful; the conscientious come together and associate with the conscientious; those with fear of wrongdoing come together and associate with those with fear of wrongdoing; the very learned come together and associate with the very learned; those with energy aroused come together and associate with those with energy aroused; those attending mindfully come together and associate with those attending mindfully; the wise come together and associate with the wise."