Earlier quoted context omitted.
The problem I have with religion is the focus on "removing the doubt", which I strongly disagree with - doubting a god's existance is a major no-no in most popular religions. And as soon as you remove the doubt ban, you don't really have a religion anymore, but a philosophy. So I'd personally recommend philosophy to people, instead of religion. Bertrand Russell (also known for his mathematical work) is an excellent p…
That's only true on the folk-religion side of things. I can't speak to other faiths, but serious Christian thought has always engaged with doubt.
One constant teaching was that Christianity is not a religion. But about forming a relationship with God through Christ.