Is faith in the heart sufficient for a person to be a Muslim?

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Check below answers in case you are looking for other related questions:
The Shaytaan whispers to him about who created Allaah
Physical action is an essential part of faith without which faith is not sound

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Related Answers:
What are the hindrances to faith and what promotes it?
Do major sins cancel out good deeds?
The Throne is created; Allah, may He be exalted, created it and it is the first and greatest of creations
The Shaytaan whispers to him about who created Allaah
Physical action is an essential part of faith without which faith is not sound

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