52 Let those then who dissent learn to fear to rouse up the Lord, and to appease His priests. What! Did not the earthquake swallow up Dathan, Abiron, and Korah because of their dissension? For when Korah, Dathan, and Abiron had stirred up two hundred and fifty men against Moses and Aaron to separate themselves from them, they rose up against them and said: “Let it suffice you that all the congregation are holy, every one, and the Lord is among them.”
Source: Letters (New Advent)