Analysis:

This quatrain by Saadi Shirazi is a profound expression of love, devotion, and self-sacrifice. It conveys a sense of overwhelming love and longing, to the point where the speaker is willing to give up their own life for their beloved. Let's break down each line:

Line 1: خیزم بروم چو صبر نامحتملست

"I shall rise and go, for patience is no longer possible,"
The speaker feels that they can no longer endure the separation from their beloved and must go to them.

Line 2: جان در قدمش کنم که آرام دلست

"I will lay down my life at their feet, for that will bring peace to my heart."
This line expresses a deep devotion and willingness to sacrifice everything for the beloved. The speaker believes that dying at the beloved's feet will bring them ultimate peace and happiness.

Line 3: و اقرار کنم برابر دشمن و دوست

"And I will confess before both friend and foe,"
The speaker is so certain of their beloved's worth that they are willing to defend them even against their own enemies.

Line 4: کانکس که مرا بکشت از من بحلست

"That whoever killed me, was justified in doing so."
This line is the most striking. The speaker is so willing to give up their life for their beloved that they would even justify their own death. It conveys a sense of absolute surrender and devotion.

Themes explored in the quatrain:

Unconditional love: The speaker's love is so deep that they are willing to sacrifice everything for their beloved.
Self-sacrifice: The speaker is willing to give up their own life for the sake of their love.
The power of devotion: The quatrain highlights the transformative power of devotion and the lengths to which love can drive a person.

This quatrain is a powerful and moving expression of love and devotion. It captures the intensity of romantic love and the willingness to sacrifice everything for the sake of the beloved.