To give oneself ernestly to securing righteousness and justice among the people, and while respecting the gods and demons, to keep aloof from them, that may be called wisdom.
Listen widely to remove your doubts and be careful when speaking about the rest and your mistakes will be few. See much and get rid of what is dangerous and be careful in acting on the rest and your causes for regret will be few. Speaking without fault, acting without causing regret: 'upgrading' consists in this.
Though Confucius served the Duke of Lu, a Chinese state, he made many enemies with the nobles of the land. His views antagonized the powerful nobles, who wanted the Duke to be a puppet in their hands. Confucius was exiled from the State of Lu for more than two decades. He lived in the countryside, spreading his teachings.
The small man thinks that small acts of goodness are of no benefit, and does not do them; and that small deeds of evil do no harm, and does not refrain from them. Hence, his wickedness becomes so great that it cannot be concealed, and his guilt so great that it cannot be pardoned.
When a man comes to me, I accept him at his best, not at his worst. Why make so much ado? When a man washes his hands before paying a visit, and you receive him in that clean state, you do not thereby stand surety for his always having been clean in the past.
The man who in view of gain thinks of righteousness; who in the view of danger is prepared to give up his life; and who does not forget an old agreement however far back it extends - such a man may be reckoned a complete man.