How to create a Secure Bitcoin Wallet using brain wallets
1) Choose your keywords or passphrase(Use a sentence) in your mind, for example, I chose correct horse battery staple
a. Go to brainwallet.github.io, https://www.bitaddress.org
2) Put in your keywords and it will calculate your PrivateKey and bitcoin address for you.
3) Give out your bitcoin address or mine into it and copy your private key and keep it safe or better still copy your keywords and keep it safe in different locations ;it will mean nothing to someone else unless you tell them that it is your brainwallet keyword.
4) Anytime you need to retrieve the private key you can simply go back to http://brainwallet.github.io and put in those keywords again.