Bhagavad Gita Chapter 14 Verse 11
भगवद् गीता अध्याय 14 श्लोक 11

सर्वद्वारेषु देहेऽस्मिन्प्रकाश उपजायते।
ज्ञानं यदा तदा विद्याद्विवृद्धं सत्त्वमित्युत।।14.11।।



English Translation - Swami Sivananda
14.11 When through every gate (sense) in this body, the wisdom-light shines, then it may be known that Sattva is predominant.


English Translation of Sanskrit Commentary By Sri Shankaracharya's
14.11 Yada, when; prakasah, the illumination-prakasa, illumination, is a function of the internal organ, intelligence; that itself is jnanam, knowledge; when this illumination called knowledge upajayate, radiates; asmin, in this; dehe, body; sarva-dvaresu, through all the doors-all the sense organs, (viz) ear etc., are the Selfs doors of perception; through all those doors; tada, then; through this indication, viz the illumination that is knowledge, vidyat, one should know; iti, that; sattva has vivrddham, increased; uta, greatly [See A.G.-Tr.].
This is the characteristics of rajas when it has become prominent:


Transliteration Bhagavad Gita 14.11Sarvadwaareshu dehe’smin prakaasha upajaayate;
Jnaanam yadaa tadaa vidyaa dvivriddham sattwamityuta.


Word Meanings Bhagavad Gita 14.11sarva—all; dvāreṣhu—through the gates; dehe—body; asmin—in this; prakāśhaḥ—illumination; upajāyate—manifest; jñānam—knowledge; yadā—when; tadā—then; vidyāt—know; vivṛiddham—predominates; sattvam—mode of goodness; iti—thus; uta—certainly; lobhaḥ—greed; pravṛittiḥ—activity; ārambhaḥ—exertion; karmaṇām—for fruitive actions; aśhamaḥ—restlessness; spṛihā—craving; rajasi—of the mode of passion; etāni—these; jāyante—develop; vivṛiddhe—when predominates; bharata-ṛiṣhabha—the best of the Bharatas, Arjun; aprakāśhaḥ—nescience; apravṛittiḥ—inertia; cha—and; pramādaḥ—negligence; mohaḥ—delusion; eva—indeed; cha—also; tamasi—mode of ignorance; etāni—these; jāyante—manifest; vivṛiddhe—when dominates; kuru-nandana—the joy of the Kurus, Arjun