The professor was known for his 'brilliance'.
the 'brilliance' of a diamond
(..) If you'll forgive me, I have messengers to dispatch. I urge you again to go back to him, my love. He will need the strength and brilliance of your mind. You must forgive him, as he must forgive you. There's no need to remain attached to a dying animal like me. (..)2017 TvShow: Vikings Title: On the Eve Season: 4 Episode 19