human
What are some of the most famous quotes from Muhammad Ali?
assistant
1. “I am the greatest! I said that even before I knew I was.” 
2. “Float like a butterfly, sting like a bee.” 
3. “I’m so fast that I can run through a herd of cattle and not get my feet dirty.” 
4. “It ain't braggin if you can back it up.” 
5. “The man who is not courageous enough to take risks will never achieve much.”