Prove that if $\displaystyle a > 0$, then there exists $\displaystyle n \in \mathbb{N}$ such that $\displaystyle \frac{1}{n} < a < n$

I know the Archemedian Principle comes into play, but I'm just having a brain freeze on how to do this. (Headbang)

EDIT: Bleh, nevermind. I figured it out.