A drug that can cure all human ills is like a unicorn, except we might see the latter in this coming century.
Your teacher is wrong. Harvard is a college where you’ll learn a great deal, but not the college to study anything. There are dozens of universities in the country where you’ll get a top-notch education, many of them with better programs than big-name schools in certain specialties, and becoming fixated on a single college is never a good idea.