Shiva Purana
स्थित्यर्थं मनसः केचित्स्थूलध्यानं प्रकुर्वते ॥ स्थूलं तु निश्चलं चेतो भवेत्सूक्ष्मे तु तत्स्थिरम् ॥ २ ॥
In order to steady the mind some perform meditation on the gross form. The mind that is fixed on the gross form becomes stable in the subtle form.
english translation
sthityarthaM manasaH kecitsthUladhyAnaM prakurvate ॥ sthUlaM tu nizcalaM ceto bhavetsUkSme tu tatsthiram ॥ 2 ॥
hk transliteration by Sanscript