The best time to frame an answer to the letters of a friend, is the moment you receive them. Then the warmth of friendship, and the intelligence received, most forcibly cooperate.

Shenstone advises that the most genuine, intelligent reply to a friend’s letter is composed immediately upon reading it. In that first moment, the recipient still feels the “warmth of friendship” stirred by the writer’s voice and presence, and the mind is freshest with the “intelligence received”—the details, tone, and emotional cues that shape a fitting response. Delay cools feeling, blurs particulars, and invites perfunctory or overly calculated replies. The remark reflects an eighteenth-century epistolary culture in which letters were a primary medium of intimacy and moral character; prompt, heartfelt correspondence signaled attentiveness, sincerity, and respect for the relationship.