Shiva Purana
निरुद्धवृत्त्यंतरस्यं शिवे चित्तस्य निश्चला ॥ या वृत्तिः स समासेन योगः स खलु पञ्चधा ॥ ६ ॥
The mind is fixed on Lord Śiva, whose activities are restrained. That which is called yoga in summary is indeed fivefold.
english translation
niruddhavRttyaMtarasyaM zive cittasya nizcalA ॥ yA vRttiH sa samAsena yogaH sa khalu paJcadhA ॥ 6 ॥
hk transliteration by Sanscript