Verse 76

तेजसा सूर्यदीपादेर् आकाशे शबलीकृते ।दृष्टिर् निवेश्या तत्रैव स्वात्मरूपम् प्रकाशते

In plain words

When space is dappled by the light of the sun, a lamp or the like, set your gaze right there, and the form of your own shines.