Bhagavad Gita 14.10
रजस्तमश्चाभिभूय सत्त्वं भवति भारत । रजः सत्त्वं तमश्चैव तमः सत्त्वं रजस्तथा ॥ १० ॥
rajas tamaś cābhibhūya sattvaṁ bhavati bhārata | rajaḥ sattvaṁ tamaś caiva tamaḥ sattvaṁ rajas tathā ||10||
Translation
Overpowering rajas and tamas, O Bharata, sattva prevails; overpowering sattva and tamas, rajas prevails; overpowering sattva and rajas, tamas prevails.
Reflection
What guna was dominant in you this morning that is no longer dominant now?
Read this verse in its chapter: Chapter Fourteen
The gunas are not stacked permanently; they rotate. At any given hour, one guna sits in front, the other two recede, and the mind takes on the color of whichever is dominant. A morning may begin sattvic, slide to rajas by ten, fall into tamas after lunch. The verse names this rotation explicitly so the seeker does not take a passing mood for an identity. Sattvic moments are not graduation, nor are tamasic ones disqualification. Both are weather. The instrument the chapter is teaching is the ability to read which weather is presently in charge, without becoming it.