Ten words, ten lines, and almost nothing on the page but white space. Bob Perelman's poem has no title, only three asterisks, the sort of mark that usually signals a break in something longer. It reads like a sentence slowed down until you can hear every joint in it. It begins in the language of a greeting card or a pop song: "only one in the whole world" is what we say about someone irreplaceable. Then it lands on "my mother," and the cliché becomes a child's declaration of love. Finally, abruptly, comes "byebye biology."
That last line is where the poem turns. Everyone does have only one mother, and biology is what makes that true, so the opening phrase is quietly literal as well as sentimental. The poem then waves the science away. What the farewell means is left open, and the poem doesn't choose between the possibilities. It might be a goodbye to the mother's physical body, to a mother who is no longer present. It might be a refusal to reduce a mother to genes and anatomy, so that she is defined by relationship rather than by fact. It might be both at once. The poem's central idea is the gap between what a mother is as a word of love and what she is as a biological category, and the speaker seems to step out of the second to stay in the first.
The form does much of this work. Every line holds a single word, and the stanzas run three, three, two, two. Spoken at this pace, small words that normally slip by unnoticed get the same weight as the important ones. The first stanza ends on "in," a preposition left hanging in mid-air, and the second begins with "the," so the reader stops where ordinary speech would rush on. "Whole" and "world" are then given a stanza to themselves, and the phrase seems to expand to the size of its subject. After that, "my / mother" shrinks to a pair of lines, the smallest unit in the poem, as if the huge world has narrowed to one person. The movement runs from the general to the intimate, and the visual shape, a thin column that narrows, mirrors it.
Sound matters just as much, because the poem has no conventional rhyme but one striking echo. "Biology" begins with the same sound as "bye." The farewell is already inside the word it dismisses, so the word seems to be saying goodbye to itself. The repeated *b* is soft and babyish, and "byebye" is the first farewell most children learn, said with a wave of the hand. The ending therefore drops the speaker into a childlike voice, at exactly the moment the poem mentions the person every child first depends on. Earlier, the rounded vowels of "only," "one," and "whole" give the opening a full-mouthed warmth, and the short, clipped "bye bye" shuts it like a door.
The poem contains no real image. There is no kitchen, no hand, no face, only vocabulary. That choice is itself telling. The nearest thing to an object is "biology," and it is the longest word in the poem by a wide margin, a four-syllable lump of textbook language among monosyllables. Its size makes it look bulky and a little foreign, the one word that doesn't belong in a love-poem sentence, which makes the speaker's dismissal of it feel like relief, or perhaps defiance. "Only" and "whole" also set up a quiet tension between singularity and totality, one person against everything.
The poem is significant because it packs a large question into very little space. What do we mean when we call someone our mother: a fact about bodies, or a bond that outlasts the facts? Perelman's lines don't lecture. They borrow the most worn-out phrases of affection and a nursery farewell, and put them next to a scientific term to see which survives. The result is funny and tender at once, and it can be read as grief, as joy, or as a shrug. A poem this short can be read in seconds and still leave the reader unsure whether the final wave is loss or liberation, and that uncertainty is what keeps the words in the mind afterwards.