Shiva Purana
तत्पूरुषं तथेशानं ब्रह्म ब्रह्मसु पञ्चसु ॥ मूर्धानमपि लिंगस्य नादभागेष्वनुत्तमम् ॥ २२ ॥
That Supreme Personality of Godhead is the Supreme Absolute Truth among the five Absolute Truths. The head is also excellent in the sound parts of the Linga.
english translation
tatpUruSaM tathezAnaM brahma brahmasu paJcasu ॥ mUrdhAnamapi liMgasya nAdabhAgeSvanuttamam ॥ 22 ॥
hk transliteration by Sanscript