sarva-dvāreṣu dehe 'smin
prakāśa upajāyate
jñānaḿ yadā tadā vidyād
vivṛddhaḿ sattvam ity uta

sarva-dvāreṣu — in all the gates; dehe asmin — in this body; prakāśaḥ — the quality of illumination; upajāyate — develops; jñānam — knowledge; yadā — when; tadā — at that time; vidyāt — know; vivṛddham — increased; sattvam — the mode of goodness; iti uta — thus it is said.

The manifestations of the mode of goodness can be experienced when all the gates of the body are illuminated by knowledge.