He had a 'genius for' getting into trouble. [=he often got into trouble]
You don't have to be a 'genius' to see that this plan will never work.
Albert Einstein and Isaac Newton were great scientific 'geniuses'.
(..) To the boats? They are going for our boats? Oh, you crippled bastard! You were right! (LAUGHING) You were right! - Oh, you bloody mad genius. - (LAUGHING) You were right! (LAUGHING) - (ARROWS FLYING) - (HORSES NEIGHING) (..)2017 TvShow: Vikings Title: On the Eve Season: 4 Episode 19