Final answer:
The belief that living well is the best revenge is attributed to several sources, including Confucius and Ralph Waldo Emerson.
Step-by-step explanation:
The belief that living well is the best revenge is attributed to several sources, including the Chinese philosopher Confucius and the American writer Ralph Waldo Emerson. Confucius emphasized the importance of virtuous living and self-improvement as a way to overcome difficulties and inspire others. Emerson wrote about the power of personal success and happiness as a form of revenge against those who may have wronged you.