What advice would you give to a new student?

Being a new college student is one of the scariest yet most exciting times of a person’s life; going off to a new school, a place where you will be treated like an adult, where you will get to meet and exchange thoughts with like minded students/professors… For many students this is the first time in their lives when they will live away from home, be responsible for their own budget etc…
Given such an immense undertaking it is understandable that many new students will make avoidable mistakes (picking the wrong meal plan, or making academic decisions based on a false sense of security…) and all things being equal I am certain that most of us, given the chance would want to go back in time and advise our younger selves against…
Well, this is your chance! The question I am asking here is simple, what is the one piece of advice that you would give to a college freshman?
Please leave your comments below and I will be sure to get them posted ASAP!