Adhyaya 8: Yogasthanas, Ashtanga Yoga, Pranayama-Siddhi, and Shiva-Dhyana leading to Samadhi
संवृतास्योपबद्धाक्ष उरो विष्टभ्य चाग्रतः पार्ष्णिभ्यां वृषणौ रक्षंस् तथा प्रजननं पुनः
saṃvṛtāsyopabaddhākṣa uro viṣṭabhya cāgrataḥ pārṣṇibhyāṃ vṛṣaṇau rakṣaṃs tathā prajananaṃ punaḥ
口を閉じ、眼を摂して、胸を前に支えよ。両踵をもって睾丸を護り、また生殖の器をも守るべし—かくして規律を保ち、生命の気を制御する。
Suta Goswami (narrating a Shaiva yogic/disciplinary instruction within the Linga Purana discourse)