Shiva Purana
इंद्रियाश्वान्निगृह्याशु स्वात्मनात्मानमुद्धरेत् ॥ धारणा नाम चित्तस्य स्थानबन्धस्समासतः ॥ ४८ ॥
One should quickly control the horses of the senses and lift oneself up by one’s own self. Dharana is the bondage of the mind to its place in summary.
english translation
iMdriyAzvAnnigRhyAzu svAtmanAtmAnamuddharet ॥ dhAraNA nAma cittasya sthAnabandhassamAsataH ॥ 48 ॥
hk transliteration by Sanscript