People such as Leonardo De Vinci, who said that we could fly. He had people laugh at him, but look today we have airplanes in which people use everyday to travel in. We used them in Wars, to win battles. In transportation, to get from place to place. He believed we could fly and even tried to build a flying machine. Even though he didn’t succeed he had faith. In the Theory Of Knowledge book it says, “Faith is very powerful way of knowing. It’s power lies; strangely, in it’s lack of conventional rationality.” (Pg. 23 14th line from the bottom)

You also had a famous man named Galileo who come up with so many theories. He said that the earth was round, but no one believed him. He said that the planet Venus showed phases like those of the

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