So it is the way people live that makes them how they are, whether short-lived or long-lived, sickly or healthy, ugly or lovely, insignificant or illustrious, poor or rich, in a low class or eminent family, or witless or wise.

Sentient beings are the owners of their deeds and heir to their deeds. Deeds are their womb, their relative, and their refuge. It is deeds that divide beings into inferior and superior.”

When he had spoken, Subha said to him, “Excellent, worthy Gotama! Excellent! As if he were righting the overturned, or revealing the hidden, or pointing out the path to the lost, or lighting a lamp in the dark so people with clear eyes can see what’s there, worthy Gotama has made the Teaching clear in many ways. I go for refuge to the worthy Gotama, to the teaching, and to the mendicant Saṅgha. From this day forth, may the worthy Gotama remember me as a lay follower who has gone for refuge for life.”

Middle Discourses 136 The Longer Analysis of Deeds