不可造次

Explanation: Rash: rapid, rush. Can not be hurried manner. Means we must be cautious. 　　Usage: Verb-object type; for the predicate; simply more careful 　　Source: Ming Luo, "Three Kingdoms" 105 back: "Today, listen to this side of the story if, Yang Yi Wei and so will carry on investment. The matter of deep concern as far proposed, is not rash."