My faith in islam is low. I have a lot of doubts but every time I find an answer for a doubt, a new doubt arrives what should I do?

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Keep studying the beliefs and eradicate doubts. Knowledge is the key to eliminate the doubts. Ask Allah to help you as well and to grant you certainty.

https://www.al-islam.org/principles-faith-usul-al-din-husayn-wahid-khorasani