The speaker opens with a run of questions about why we act as we do. Is any choice really free, or is each decision a small agony? The poem keeps circling that doubt. Whether we grope in the dark or walk in the light, the path seems to stay the same, and the speaker admits that light can blind while darkness can sometimes let us see. Those reversals make certainty feel slippery.
The mood is restless and a little weary. Exclamation marks give the middle lines a sharp, almost exasperated edge, and the idea of "a path without destination" and "all life just a game" suggests the speaker feels adrift. Then the final two lines turn suddenly hopeful. The story is "taking its course" and humanity is "finally waking up." Judging by the title, "Change of the Eras," the speaker may see personal doubt as part of a larger shift, though the poem never says exactly what that change is. It leaves us with uncertainty on one side and quiet optimism on the other.