I know not, Amina When again on your brightness of smile My eyes will rest awhile Nor when again of your softness of voice My ears will rest awhile When aga...

The poet's tone in the given lines is one of nostalgia. Nostalgia is a feeling of longing or wistfulness for a past time or experience. In this poem, the speaker expresses a sense of longing and uncertainty about when they will be able to experience the pleasant memories of being with Amina again. They remember her smile and the sound of her voice, and dream of being close to her once more. The use of phrases such as "I know not" and "when again" emphasizes the speaker's sense of uncertainty and anticipation. The mention of the "silver moonshine" and "velvety texture" create a dreamy and romantic atmosphere, contributing to the overall feeling of nostalgia and longing for something that is no longer present. Overall, the tone of nostalgia in the poem reflects the speaker's desire to recapture a happy moment from the past, and the uncertainty of whether they will be able to experience it again in the future.