A gnomic saying is a concise and pithy statement that contains wisdom or truth. There are several synonyms for this type of saying, including aphorism, maxim, adage, proverb, and epigram. Aphorism refers to a short, witty observation that contains a general truth. A maxim is a statement of a general principle or rule of conduct. Adage is a traditional saying that expresses a common experience or observation. A proverb is a short, popular saying that offers advice or expresses a belief. Finally, an epigram is a witty and clever statement that expresses a surprising truth or point of view. Regardless of what it's called, a gnomic saying can be a powerful tool for conveying knowledge and wisdom in a memorable way.