Shiva Purana
न योगेन गतिस्सा तु पितृभक्तस्य या मुने ॥ पितृभक्तिर्विशेषेण तस्मात्कार्या महामुने ॥ ८ ॥
O sage, the goal attained by devotion to the Pitṛs is not attained by the practices of Yoga. O great sage, so devotion to the Pitṛs shall be pursued with care.
english translation
na yogena gatissA tu pitRbhaktasya yA mune ॥ pitRbhaktirvizeSeNa tasmAtkAryA mahAmune ॥ 8 ॥
hk transliteration by Sanscript