Shiva Purana
शैवं तत्परमं धाम यत्प्राप्यं षड्भिरध्वभिः ॥ व्यापिका ऽव्यापिका शक्तिः पञ्चतत्त्वविशोधनात् ॥ २१ ॥
The great abode of Śiva is attainable through six paths. The non-pervading Śakti becomes pervasive by the purification by five Tattvas.
english translation
zaivaM tatparamaM dhAma yatprApyaM SaDbhiradhvabhiH ॥ vyApikA 'vyApikA zaktiH paJcatattvavizodhanAt ॥ 21 ॥
hk transliteration by Sanscript