26. A tree is known by its fruit. 观其行而知其人。

　　27. A word spoken cannot be recalled. 一言说出，难以收回。

　　28. A word to the wise is enough. 聪明人不用细说。

　　29. A work ill done must be twice done. 工作未干好，只得重返工。

　　30. Act fairly by all men. 一视同仁。