Which of the following quotes would work best in the conclusion to an essay about the importance of hard work?
a. “what makes the desert beautiful is that somewhere it hides a well.” –antoine de saint-exupery
b. “the task of art today is to bring chaos into order.” –theodor adorno
c. “it is not enough to have a good mind; the main thing is to use it well.” –rene descartes
d. “without labor nothing prospers.” – sophocles