The title says "No toll," yet the poem opens with a bell "full of morning." That small contradiction sets the tone. The bell by the door isn't ringing out a warning or a death. It simply holds the morning, as if the light and quiet were gathered inside it, waiting.
Then the speaker turns inward with a question: "who am I to droop / if others should trouble / the world more than me." It reads like a gentle scolding of oneself. The speaker seems to feel low, or on the edge of feeling low, and checks that feeling against everyone else who might have it worse. The wording is a little tangled, and that fits a mind talking itself through something rather than announcing a conclusion.
The mood is hushed and thoughtful, with a touch of humility. The morning feels peaceful, but the speaker can't fully relax into it. The poem leaves open whether that perspective brings comfort or just a quiet kind of guilt.