What is a concise statement that expresses a general truth or idea, often using rhyme or balance?

A concise statement that expresses a general truth or idea, often using rhyme or balance, is best identified as an aphorism. Aphorisms are brief, impactful phrases that encapsulate wisdom or insights, making them memorable and often quotable. They convey universal truths in a way that is succinct and often poetic, which aligns perfectly with the characteristics described in the question.

Anecdote refers to a short, interesting story about a real incident or person, designed to illustrate a point or add to a narrative. While anecdotes can convey truths or ideas, they do so through storytelling rather than concise axioms.

Alterity involves the concept of "otherness," particularly in philosophy and cultural studies, emphasizing the difference and separation between oneself and others. This term does not fit the description of a general truth expressed in a succinct statement.

Ambiguity refers to the quality of being open to more than one interpretation. While it plays a significant role in literature and communication, it does not relate to the concept of clarity and concise expressions of truth that characterize aphorisms.

Thus, the choice of aphorism accurately reflects the definition provided, highlighting its role in succinctly communicating broader insights or truths.