I take issue with the phrasing, but not with the meaning, especially with the historical context. More or less: that thing which you seem to have an overriding

I take issue with the phrasing, but not with the meaning, especially with the historical context. More or less: that thing which you seem to have an overriding passion for, which usually leads to talent. Even if it doesn't, though, it's still something that defines a significant part of your life and character, and that is not to be ignored.