Muhammad.com collection in 109 languages

  • The_Foundations_of_the_Islamic_Belief, page : 176

Acceptance lies in the heart while the tongue serves as its interpreter. But submission is more
comprehensive and pervades the heart, the tongue and the senses. For every acceptance with the mind
is a submission and a disavowal of pride and unbelief.

The same is true of verbal confession as well as of obedience and compliance with the senses.
According
to the dictates of language Islam is the more general term, while belief is the more specific.
Therefore
belief (Iman) represents the noblest part of Islam.

Consequently every acceptance is submission, but not every submission is acceptance.

The second consideration treats the technical meaning of the two terms in the Koran and prophetic
quotations.

The truth of the matter is that the Religion i.e. the Koran and prophetic quotations, has used the
two
terms as synonyms interchangeably, as different terms of different meaning, and as related terms,
one