《韩非子·内储说上七术》
所以孔子要谈论降霜，殷法要重刑把灰烬倒到街上，领队要辞别乐池，而商鞅要重罚轻罪。
故仲尼说陨霜，而殷法刑弃灰；将行去乐池，而公孙鞅重轻罪。
Therefore, Confucius talked about frost, Yin Fa wanted to use severe punishment to pour the ashes on the street, the leader wanted to bid farewell to the music pool, and Shang Yang wanted to punish minor offenses.