知易行难

Explanation: Knowledge to understand. Things easier to understand the truth, the implementation being to difficult. 　　Usage: Joint type; as object, attribute; that sounds easy said than done 　　Source: "Shang said hit," said said, thanks to Jishou 'non-knowledge of the difficulties of the subject line of the storm. '"Hole easily known about rumors, the hard line." 　　Examples: Raise this issue now, cover also ~, then only empty talk, and look at health provision were also cultivated. ★ Lu Xun's "quasi-love affair about how we educate children? "