Praising a powerful man to his face is risky, and Pope seems to know it. His epistle to James Craggs, whom the title names as Secretary of State, spends its first half listing virtues and its second making sure they survive promotion. What looks like a compliment turns out to be a contract, and the last line spells out the penalty for breaking it.
The opening seven lines are a portrait built from fragments. None has a main verb. "A soul", "A face", "a judging eye" pile up like pictures in a gallery, and each is pinned down by an antithesis. The soul is "full of worth, as void of pride", so fullness and emptiness share one line, as if goodness and modesty occupied the same space. It "nothing seeks to show, or needs to hide", which means no performance and no secret. The boldest phrase is "a warmth that from no passion flows". Warmth without passion sounds like a contradiction, but the poem suggests a steady goodwill that comes from principle rather than mood or self-interest.
Then the portrait turns active. The eye "darts severe upon a rising lie" and "strikes a blush through frontless flattery". The verbs are almost violent, which gives honesty a physical force. "Frontless" means shameless, literally without a face that could blush. Craggs's gaze is so piercing that it produces a blush anyway.
Formally, Pope works in iambic pentameter couplets, with each line closing neatly on its rhyme: pride/hide, owes/flows, before/more. The portrait stretches into a triplet (eye, lie, flattery), and the extra line gives the flatterer's humiliation room to land. The rhyme of "flattery" with "eye" is a stretch for a modern ear, though it probably worked in Pope's day. Later, "ways" and "raise" make a looser pairing, but the sense carries it: virtue will make enemies, and Craggs should not wish otherwise.
The pivot comes at "All this thou wert; and being this before, / Know, kings and fortune cannot make thee more." The past tense matters. A poem that warns against flattery must avoid flattering, so Pope states the praise as settled fact. Then he turns it into an argument: rank adds nothing to a man who already has character. The compliment is also a quiet dig at power itself.
From here the poem runs on commands: "scorn", "Proceed", "Be not", "pursue". A friend of lower standing, as the poem implies, is giving orders to a minister of state, and the usual hierarchy tips over. "A minister, but still a man" carries a pun. "Minister" comes from a Latin word for servant, so the title of high office contains the idea of service, and its dark twin, "servile", appears two lines earlier. Pope asks Craggs to be the first kind of servant and never the second. The dash after "Proceed" makes a short pause before the verdict, and the line then closes on "man".
The final lines turn personal. "Ashamed of any friend, not even of me" is self-mocking, since Pope concedes that he might one day be an awkward friend for a great man to own. The next image is "the patriot's plain, but untrod path". Plainness and rarity sit side by side, and the line suggests that virtue is simple to describe but seldom walked. Then comes the reversal: "If not, 'tis I must be ashamed of you." Shame, which Craggs's eye once forced on liars, now threatens to fall on Craggs himself. The line ends on the single word "you", so the pressure of friendship lands on the person addressed.
The poem is significant for how much it packs into sixteen lines. It is tender and stern at once, and it treats friendship as a moral privilege: the right to speak plainly to someone whom everyone else is tempted to flatter. Pope's balanced couplets suit the theme, since the poem weighs worth against pride, office against manhood, and the poet's affection against his honesty. Its central claim is that power should be measured by the character it finds, not the character it flatters into being.