耳ㄦˇěr聽ㄊㄧㄥtīng為ㄨㄟˊwéi虛ㄒㄩxū，眼ㄧㄢˇyǎn見ㄐㄧㄢˋjiàn為ㄨㄟˊwéi實ㄕˊshí

  1. 聽說的不實在，親眼見到的才可靠。如：「所謂耳聽為虛，眼見為實，你今天總算見到他的厲害了吧！」

英Take what you hear to be false, only believe it when you see it (idiom)​. Don't believe what people tell you until you see if for yourself., It ain't necessarily so.