 Time flies like an arrow; fruit flies like a banana

"Time flies like an arrow; fruit flies like a banana" is a humorous and playful sentence that uses wordplay and metaphor. The first part, "Time flies like an arrow," suggests that time passes quickly and straightforwardly, much like an arrow flies through the air. The second part, "fruit flies like a banana," introduces a pun. Here, "fruit flies" refers to the small fruit-fly insects that are often found around ripe fruit, particularly bananas.