Shiva Purana
रुद्रभक्तास्तु ये केचित्तत्क्षणं शिवतां गताः ॥ अन्यापेक्षा न वै तेषां श्रुतिरेषा सनातनी ॥ १७ ॥
Those who are Rudra’s devotees attain the state of Śiva in a trice. They need not depend on any one else. This is the eternal statement in the Vedas.
english translation
rudrabhaktAstu ye kecittatkSaNaM zivatAM gatAH ॥ anyApekSA na vai teSAM zrutireSA sanAtanI ॥ 17 ॥
hk transliteration by Sanscript