Speech doctrine: derivation and significance

Beliefs are the things that ratify the souls, and to reassure the hearts, and be sure when their owners, no doubt Imazjha Hikhaltha no doubt.
The word doctrine in language taken from the article (contract) and the orbit necessary to make sure
And ascertained that, in the Quran: (Allah will not call for thoughtlessness in your oaths, but
Iwakmakm including you made the right) and the complexity of faith but with a view to be the heart and determination.
It is said (holding the rope), namely: some of some of the strain, and the belief: the contract is binding
And tensile, said: I thought well, I mean: asserted it in my heart, is the rule of mind
Definitive.
And belief in Islam is: Scientific alia, the Muslim must person believes in his heart
And believe firmly, without doubt, no doubt or hesitation, because God told him the
The path of his book, or through revelation to His Messenger, peace be upon him.
And assets of the beliefs that God ordered us to the belief is mentioned in the verse: (
Secure the Prophet was revealed to him from his Lord and the believers all believe in Allah and His angels and His Books
And His messengers and do not differentiate between one of the messengers and say: We hear and we obey our Lord and forgiveness to you
Determination), and identified by the Prophet peace be upon him in the famous hadeeth of Jibreel said:
(Faith: to believe in Allah, His angels, His Books, the meeting, His Messengers, and believes
Resurrection).
So belief in Islam: the scientific issues that the news is true about God
And His Messenger, which must be held by the Muslim heart of the ratifications of Allah and His Messenger.