Dear Jeewan,

Thank you very much for your question, 

 

Answering your question, we would like to quote the following:

 

Allah says:

That is Allah, your Lord! there is no god except Him, the Creator of all things: then worship Him: and He is the Disposer of all things. (Al-An`am 6:102)

1- In realizing and implementing the Shahadah fully, one frees himself from the worship of humanity and instead worships his only Lord and God. In doing so, one ceases to be dependent upon the creation, whether in worship, fear, hope, and the likes. Allah says:

Say: ‘Tell me then, the things that you invoke besides Allah, if Allah intended some harm for me, could they remove His harm, or if He (Allah) intended some mercy for me, could they withhold His Mercy?’ Say: ‘Sufficient for me is Allah; in Him those who trust (i.e. believers) must put their trust.’ (Az-Zumar 39:38)

2- Peace of heart, mind and soul. Allah says:

Those who believe (in the Oneness of Allah – Islamic Monotheism), and whose hearts find rest in the remembrance of Allah, Verily, in the remembrance of Allah do hearts find rest. (Ar-Ra`d 13:28)

3- The sense of security which is realized through the knowledge that there is someone to turn to in times of hardship:

And when harm touches you upon the sea, those that you call upon besides Him vanish from you except Him (Allah Alone). But when He brings you safely to land, you turn away (from Him). And man is ever ungrateful. (Al-Israa’ 17:67)

The word iman is usually translated as belief, but in reality has a wider meaning, for it entails internal belief, as well as outer speech and deeds. If a person was to ‘believe’ in Islam without ever acting upon it, it would not be said that he has iman and therefore his ‘belief’ would not be accepted.

4- The spiritual joy which one feels in worshipping Allah. This is due to the fact that the goal which he is trying to achieve (Paradise) cannot be reached except after death. So you see him persistently striving to achieve this goal by doing righteous deeds, rendering servitude sincerely and purely to Allah alone. Allah says:

Say: ‘Verily, my Salah (prayer), my sacrifice, my living and my dying are for Allah, the Lord of the mankind, Jinn and all that exists. He has no partner. And of this I have been commanded, and I am the first of the Muslims.’ (Al-An`am 6:162-163)

5- The Guidance and success which is granted by Allah to those that believe in Him:

…and whosoever believes in Allah, He guides his heart (to the true Faith with certainty), and Allah is the All-Knower of everything. (At-Taghabun 64:11)

6- The love of righteousness and its propagation amongst the masses. Allah says:

So whosoever does good equal to the weight of an atom (or a small ant), shall see it. (Az-Zalzalah 99:7)

The Prophet (peace be upon him) said:

“Indeed the one who leads another to do a righteous deed is like the one who actually does it out (i.e. he will receive the same reward).” (At-Tirmidhi)

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Source: The answer is an excerpt from How to Become a Muslim by Abdul-Rahman Al Sheha