Muhammad Ali? Apocryphal?

Question for Quote Investigator: The world heavyweight champion boxer Muhammad Ali was acclaimed for his physical and verbal dexterity. One of his mottoes stated that courage was needed to take bold risks, and significant accomplishments required these daring risks. Would you please help me to find a citation?
Reply from Quote Investigator: In April 1977 Muhammad Ali who was promoting his upcoming boxing match spoke to a group of journalists. His remarks were reported in the “Fort Lauderdale News” of Florida. Emphasis added to excerpts by QI:1
Obviously pleased with the philosophical direction of his answers, Ali continued in the same vein.
“He who is not courageous enough to take risks,” he said, “will accomplish nothing in life.”
He looked at the reporter’s note pad. “You got that?” he asked. He repeated it more slowly.
“Risk is why they are paying me so much money,” he said. “Look at the astronauts. They took risks. Evel Knievel takes much more risks than me.”
“I’m already the greatest. The most recognizable face in the world.”
Below are additional selected citations in chronological order.
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