The symbol meaning means Hopeless.
"Life is a broken-winged bird" means 'life becomes hopeless. ' "That cannot fly" means 'life without dreams is as sad and tragic as a bird that can't fly.
Supposed*
You had a grammatical error and I had to fix it considering you’re an English teacher.
You'll want to leave it out. if it isn't conducive to the content of your paper, it's more like a distraction from what you're trying to say. parentheses might be a "safe" way to signify a side topic, but it weakens the paper as a general statement because the reader has to pause and take a moment to absorb a new topic before going back to what you were saying
A majority of cultures view murder as wrong whether it be self defense or otherwise.
