The term 'To Be Is One, Poetically' is a reference to the poetic meter known as IAMB. IAMB is a type of poetic meter that consists of two syllables, with the first syllable being unstressed and the second syllable being stressed. This type of meter is often used in English poetry, and is also known as an iambic foot. The phrase 'To Be Is One, Poetically' is a reminder that the iambic meter is a fundamental part of English poetry.