A short which expresses an idea in a clever way is

A short which expresses an idea in a clever way is called an epigram. An epigram is a concise, witty, and often satirical statement or poem that cleverly expresses an idea or observation. It usually uses paradox or irony and has a memorable or surprising ending. Epigrams can be humorous, critical, or philosophical and are often used in literature and speech as a way to make a memorable point or to criticize social or political issues in a clever way.