Potthakasutta 5.3

5.3

Ye kho panassa sevanti bhajanti payirupāsanti diṭṭhānugatiṃ āpajjanti, tesaṃ taṃ hoti dīgharattaṃ hitāya sukhāya.

If you associate with, accompany, and attend to such an individual, following their example, it will be for your lasting welfare and happiness.