Skandapurana 14.4.15

14.4.15

.. vasiṣṭha uvāca .. ..
liṃge'smiṃstava sāṃnidhyaṃ sadā bhavatu śaṃkara ..
mayā pūrvaṃ pratijñātaṃ nagasyeha mahātmane ..
satyaṃ kuru vaco me tvaṃ yadi tuṣṭo'si śaṃkara .. 15 ..

Vasiṣṭha said: / “May your presence always remain in this liṅga, O Śaṃkara! / I previously made a promise here to the great-souled mountain. / Make my word true, if you are pleased, O Śaṃkara!” 15