Shiva Purana
एवं सहस्ररुद्रा क्षान्धारयेद्यो दृढव्रतः । तं नमंति सुराः सर्वे यथा रुद्र स्तथैव सः ३६ ।
Thus, he who wears a thousand Rudraksha beads and follows a strong vow, is revered by all the gods (suras) just as they revere Rudra (Shiva) Himself.
english translation
evaM sahasrarudrA kSAndhArayedyo dRDhavrataH । taM namaMti surAH sarve yathA rudra stathaiva saH 36 ।
hk transliteration by Sanscript