Shiva Purana
तं धारयेद्वामहस्ते रुद्रा क्षं भक्तितत्परः । सर्वेश्वरो भवेन्नूनं मम तुल्यो न संशयः ७५ ।
That Rudrākṣa shall be worn on the left hand with great devotion. He shall certainly become Sarveśvara like me.
english translation
taM dhArayedvAmahaste rudrA kSaM bhaktitatparaH । sarvezvaro bhavennUnaM mama tulyo na saMzayaH 75 ।
hk transliteration by Sanscript