"You Never Realize How Strong You Are Until Being Strong is Your Only Choice."
Do you know who said that line? Have you seen it on a random inspirational poster and thought they made it up? How about this one:
"It is What a man Thinks of himself that Truly Determines his Fate."
"No Fate But What We Make."
Okay, those last two were from wildly different sources, saying the same thing. The second one is from Sarah Connor, but from the second Terminator movie when the annoying son quotes her. It's the quote that kept running through my head as perfect for my WIP character to spout, except... well, it's a Terminator reference and would take more explaining than I wanted to get into for the story. So I looked up quotes about fate and found the other, which is from Henry David Thoreau and the character would've studied it in high school. Same idea, easier to slip into the narrative.
Do you use quotes in your writing? In GHOSTS DON'T LIE I had two character arguing over the famous "of Mice and Men" quote, which actually originated with a poem by Robert Burns and was originally "schemes" and not "plans" ...