Your friend saw this resource on bethinking.org and thought you should see it:
Beyond the Big Bang
William Lane Craig examines the Big Bang theory and the question of why anything exists.
See the full resource online by visiting bethinking.org:
https://www.bethinking.org/is-there-a-creator/beyond-the-big-bang
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bethinking.org is a collection of resources which aims to make sense of the big questions of life about God, Jesus and Christianity.