Skandapurana 16.219.20

16.219.20

svāyaṃbhuvarṣidaivādiliṃgahīnā na bhūḥ kvacita .. vyā
pārānsakalāṃstyaktvā pūjayadhvaṃ śivaṃ sadā ..
nikaṭā iva dṛśyaṃte kṛtāṃtanagaropagāḥ .. 7.1.219.20 ..

Nowhere is the earth devoid of liṅgas—self-manifest, installed by seers, gods, and others. / Abandon all [mundane] pursuits and always worship Śiva; / [those who do not] seem near to arriving in the city of the God of Death.