If we opened our minds to enjoyment, we might find tranquil pleasures spread about us on every side. We might live with the angels that visit us on every sunbeam, and sit with the fairies who wait on every flower.

The sentence urges a deliberate shift in attention: happiness is not primarily something to be acquired, but something to be noticed. By imagining “angels” in sunbeams and “fairies” on flowers, the speaker uses romantic, quasi-folkloric imagery to dramatize how ordinary nature can become a source of calm delight when approached with receptivity. The contrast implied is between a closed, anxious, or acquisitive mind and an open, appreciative one. The “tranquil pleasures” are small, ubiquitous, and non-competitive—suggesting a moral psychology in which contentment is cultivated through perception, gratitude, and imaginative sympathy with the everyday world.