Anicca — impermanence — is the first of the three characteristics the Buddha pointed to again and again. Not as a gloomy observation, but as a door.
Everything changes, including you
The body you have today is not the one you had ten years ago. The mood that felt permanent this morning has already gone. Even the strongest opinions soften and shift. Nothing in experience stays still long enough to be owned.

Watching change in meditation
You do not need to think about impermanence to understand it. You can watch it directly:
- A breath arises, fills the body, and ends.
- A sound appears, is known, and is gone.
- An ache moves, sharpens, fades, returns somewhere else.
- A thought you were sure about dissolves mid-sentence.
All conditioned things are impermanent — when one sees this with wisdom, one turns away from suffering.
— Dhammapada 277
Why this brings relief
Much of our suffering comes from asking changing things to stay: a relationship as it was, a body as it was, a feeling that was pleasant. When change stops being an insult and becomes simply how things are, grief still comes, but resentment loses its grip.
Impermanence also cuts the other way. Difficult states — grief, anger, dread — are equally unable to last. Knowing that in your bones is what allows you to sit with them a little longer without needing to escape.