Yoga Sūtra Chapter Four verse 19
न तत्स्वाभासं दृश्यत्वात् ॥१९॥
na tat-svā-bhāsaṃ dṛśyatvāt ||19||
That, not own luminosity,
na - no; not; nor, neithertat - that, thissva - own; one's self, one's own, my own, thy own, his own, her own, our own, their ownbhāsa - luminosity, light, lustre, brightnessdṛśyatva - due to the quality of the seen
due to the quality of the seen.