Based on "Nikola Tesla, Inventor," which best describes Nikola Tesla?

A.

optimistic, but sad

B.

brilliant, but eccentric

C.

cautious, but faithful

D.

stern, but loving

According to not only this work but a variety of others, Tesla was best known as being "brilliant, but eccentric", since he was extremely motivated and productive but also very particular about his habits, such as eating dinner at the exact same time every day.