I am sorry to be leaving the post of secretary of state for Scotland.
This quote reflects a sense of regret and perhaps a feeling of duty fulfilled. It suggests that the speaker has formed a strong connection with their role and feels a sense of loss at stepping down. Such sentiments are common when individuals leave positions they've dedicated themselves to, highlighting the emotional weight tied to public service and leadership. It also underscores the importance and personal challenge of transition in political careers. While leaving a role might be necessary due to various reasons, the emotional tone reveals the person's appreciation and possibly their hope for continued positive impact in the future.