Do you find it odd that you lived in a place called Christchurch and didn't find Christ for about 30 years?
Also, I googled "Alpha Course" because I had no idea what it was and there seems to be a lot of Christian groups that hate it based on the front page results. I'll have to look into more, but just thought that was interesting.
Yes, I do find it really odd..... LOL... also if I hadn't moved back to Christchurch, I don't think I would have found Jesus. Life in Auckland was hectic, I was living in an apartment, working from 8am - 6pm weekdays... Weekends were spent at the pub drinking with friends or going out shopping with my girlfriend... It was filled with materialistic things...
After moving back here I had much more time to reflect on life and really question what it really is and what's most important in life... I wouldn't have time to read the Bible or even volunteer at church if I was in Auckland, life was just hectic... money money money...
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Regarding the Alpha course, about 15million people have been through it... I think the best way to learn about it is to watch all the videos for yourself. There is a list here of the videos that we watch together each week and have discussions on:
[video]https://run.alpha.org/watch-alpha
The format is that we meet up once a week to have meals together (it's usually at the host's house) and after the meal we watch each week's video together (lasts about 40 min.). Afterwards we go into discussion time... so when I was an atheist I had lots of questions and I asked them all... the answers really surprised me and made me want to go back to learn more and ask more questions. Slowly, my doubts dissipated and I decided to give this "faith" thing a go and started praying... my journey really began from there.
It's better than just simply attending church because there is an opportunity to ask questions in a non-threatening environment. Everyone there was friendly and nobody judged you for who you are. You're simply there to "learn more".