Just because you’re paranoid doesn’t mean they aren’t also out to try to steal your money!  Here are two guides that offer similar solutions towards making a wallet that you can rely upon for significant values of Bitcoins.

Method one – This guide is fairly well-written but it may still prove a challenge to the computer lay-person.

Method two – Being a couple years old and written on bitcointalk.org, this secure wallet walkthrough may not be as starter friendly to very new people but it still seems valid.