yoga with grace

स्वाध्यायाद् इष्टदेवतासंप्रयोगः 

svadhyayad ishta devata samprayogah

From self study comes union with one’s chosen deity

Yoga Sutras of Patanjali, 2.44

svadhyayat = self study
ishta = chosen
devata = deity
sanprayogah = union

What is god (good) to you?