耳听为虚，眼见为实
ěr tīng wéi xū，yǎn jiàn wéi shí
基本释义
  1. 形容不要轻信传闻
出处
《说苑·政理》
英文翻译
  1. 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.
  2. It ain't necessarily so.