From the seven hundred
यदा यदा हि धर्मस्य ग्लानिर्भवति भारत
yadā yadā hi dharmasya glānir bhavati bhārata

“Whenever dharma fades, I come forth.”

Bhagavad Gita 4.7
In plain terms

One of the Gita's best loved promises: whenever the order of things wears thin, something rises to meet it. In the story it is Krishna speaking of his own returns, age after age.

Read from a distance, it is also a claim about renewal itself, that decay calls forth repair. People have carried the line through dark seasons for centuries because it places hope inside the pattern of the world.

All the verses, by the moment you need them