I have found that educating myself before embarking on the process helped me. Two good resources for information are Allen Carr's book and the website www.whyquit.com .Both of these prescribe to the notion that the only way to quit is cold turkey without any taper. One big piece of advice I can offer is to drink fruit juice every few hours for the first 4 days. The sugar helps you to think clearly
Then after stopping it's all about leaning on God to get you past each urge. It gets easy with each urge that you resist.
After a week it isn't too bad at all.