"Magellan was the son of Portuguese nobility and a student of cartography and astronomy." (April 27, 1521: Was Magellan worth Defending?) This quote explains that Magellan majored in the studies of navigation because that is what cartography is.
"and we only ate old biscuit reduced to powder, and full of grubs, and stinking from the dirt the rats had made on it when eating the good biscuit." (Antonio Pigafetta, 1520, pg.401) This quote explains that Magellan had to ration the food, but at least he still feed his crew other wise he wouldn't care if he didn't feed them.
"We fought for more than an hour, until an Indian succeeded in thrusting a cane lance into the captain's face." (Antonio Pigafetta, 1520, pg.403). This quote explains that Magellan didn't give up quite easily, he fought for his country and had determination to take the spice islands but failed.