The friar preached against stealing and had a goose in his sleeve.
修士劝人勿偷盗，自己袖里却藏只鹅。

（中文曰：口里仁义道德，心里男盗女娼。）

〈说明〉用以讽刺劝别人要正直诚实，但自己却暗中做坏事的伪君子。