Analysis:

This quatrain by Saadi Shirazi is a complex and intriguing piece of poetry. Let's break down its meaning:

Cosmic Imagery: The images of bringing the moon from the sky and a church from Rome are highly symbolic, suggesting that the beloved is so extraordinary that they are beyond the ordinary realms of human experience.
Temporal Paradox: The idea of bringing the evening prayer at dawn creates a temporal paradox, highlighting the beloved's ability to defy conventional norms and expectations.
Unattainable Love: The final line, "You can try, but you cannot trap me," suggests that the beloved, despite their extraordinary qualities, is unattainable. This could be due to several reasons: their divine nature, their own indifference, or the speaker's unworthiness.

Themes:

Divine Love: The beloved is portrayed as almost divine, with cosmic powers.
Unattainability: The beloved is depicted as someone who cannot be captured or possessed.
Temporal Paradox: The quatrain plays with the concept of time, creating a sense of otherworldly beauty.
Spiritual Quest: The overall tone suggests a spiritual quest or longing for something beyond earthly reach.

Deeper Meaning:

This quatrain is rich with symbolism and offers multiple layers of interpretation. It could be seen as a love poem expressing the unattainability of the beloved, a spiritual quest for the divine, or a commentary on the nature of beauty and desire. The imagery of the moon, the church, and the temporal paradox create a sense of awe and wonder, elevating the beloved to a almost mythological status.

This quatrain is a beautiful and enigmatic exploration of love, desire, and the divine. It invites the reader to contemplate the nature of beauty and the limits of human longing.