In "a cub pilot," the author says: "judgment is a matter of brains, and a man must start with a good stock of that article, or he will never succeed as a pilot." what does the author mean?

a. pilots need a good stock of material possessions.
b. a person who lacks good judgment cannot be a good pilot.
c. intelligence is more important than good judgment.
d. success as a pilot depends only on judgment.