If your essay is on the short side, you can always pad it out with a few quotations.
These quotations were effective in sending complex messages to his friends, because, in his day, people could quote from such authors with every expectation of being understood.
One of my favorite quotes by Mark Twain is, "It's not the size of the dog in the fight, it's the size of the fight in the dog."
ASCII quotes are a substitute character for the “real” quotes that vary from language to language, and the advent of Unicode have rendered ASCII quotes obsolete.
If any one were to take away from the books of Chrysippus all the passages which he quotes from other authors, his paper would be left empty.