Would you say, God sometimes gives you problems to improve your character and your reward?

The bible says God is more likely to give you good things you did not earn, if you had to experience painful events you did not deserve to have happen to you. If you notice, it seems over 90% of famous people grew up in abusive homes, and their fame might be the luck that those problems granted them. It was not guaranteed salvation, but it was an opportunity at salvation.

Would you say, God sometimes gives you problems to improve your character and your reward?
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