Shiva Purana
असकृच्चिन्तयामास किं लिंगं क्षिप्रसिद्धिदम् ॥ यत्र निश्चलतामेति तपस्तनयकाम्यया ॥ २६ ॥
He thought frequently—“What is that phallic image that yields the result quickly? Where can the penance due to the longing for a son find ultimate rest.”
english translation
asakRccintayAmAsa kiM liMgaM kSiprasiddhidam ॥ yatra nizcalatAmeti tapastanayakAmyayA ॥ 26 ॥
hk transliteration by Sanscript