Never seek illicit wealth.
To know that one knows what one knows, and to know that one doesn't know what one doesn't know, there lies true wisdom.
If either wealth or poverty are come by honesty, there is no shame.
The whole end of speech is to be understood.
Recompense injury with justice, and recompense kindness with kindness.
Don't worry about being acknowledged by others; worry about failing to acknowledge them.