The Master said of Gong Yechang, “He is marriageable. Although he was once imprisoned and branded as a criminal, he was in fact innocent of any crime.” The Master gave him his daughter in marriage. (Analects 5.1)
When you have become one with the Great Universal, you will have no partiality, and when you are part of the process of transformation, you will have no rigidity.
To know, is to know that you know nothing. That is the meaning of true knowledge. When you say something, say what you know. When you don't know something, say you don't know. That is knowledge.
Friendship with the upright, with the truthful and with the well informed is beneficial. Friendship with those who flatter, with those who are meek and who compromise with principles, and with those who talk cleverly is harmful.