Vijnana Bhairava Tantra
यथालोकेन दीपस्य किरणैर्भास्करस्य च । ज्ञायते दिग्विभागादि तद्वच्छक्त्या शिवः प्रिये ॥ २१ ॥
Just as space, direction and form are revealed by the flame of a candle or the rays of the sun, similarly Shiva is revealed by the medium of Shakti, O clear one.
english translation
yathAlokena dIpasya kiraNairbhAskarasya ca । jJAyate digvibhAgAdi tadvacchaktyA zivaH priye ॥ 21 ॥
hk transliteration by Sanscript