Shivapurana 7.2.4.63

Śivapurāṇa (complete text) 7.2.4.63

ahaḥ śūlāyudho devaḥ śūlapāṇipriyā niśā |
ākāśaḥ śaṅkaro devaḥ pṛthivī śaṅkarapriyā ||