<p>Yes. Hard work is the most important thing.</p>
<p>But another thing that doesn’t get said enough is that having the right approach is also important. If you’re having trouble with say, 8.01, that is pretty common. The best thing to do is ask friends to help you understand concepts, go to office hours, etc. to figure out what you can do to study more efficiently. Absolutely do not just say “I’ve got to try harder” and burn yourself out.</p>