Writing has never been my strong suit; I’ve always preferred other subjects, be they mathematical or scientific.
I'd leave this introduction out. All you're doing is telling the marker that you can't write. You should let them work this out themselves, rather than subconsciously telling them that you deserve a low mark.
“Better than constructing a thesis,” I used to say.
Hmm, I'm not sure why you would say this. It doesn't mean anything. What is better than constructing a thesis? What is its meaning here?
As much ...
I'd suggest starting your essay here.
Student or Learner