sit idle and indulge inempty talk about general principles ❍ ～永远解决不了任何实际问题。Sitting idle and indulging in emptytalk about general principles can never solve any practical problems.
坐而论道zuò ér lùn dào
坐着空谈大道理。形容只知道空谈，而不去实行。sit and talk idly great truth, sit idle and indulge in empty talk about general principles