1. A believer in this Kalimah can never be narrow in outlook. He believes in a God Who is the Creator of the heavens and the earth, the Master of the East and West and Sustainer of the entire universe. After this belief he does not regard anything in the world as a stranger to himself.

2. This belief produces in person the highest degree of self-respect and self-esteem. The believer knows that Allah alone is the Possessor of all power, and that none besides Him can benefit or harm a person, or provide for his needs, or give and take away life or wield authority or influence.

3. Along with self-respect this belief also generates in a person a sense of modesty and humbleness. It makes him unostentatious and unpretending. A believer never becomes proud, haughty or arrogant.

4. This belief makes man virtuous and upright. He has the conviction that there is no other means of success and salvation for him except purity of soul and righteousness of behavior . He has perfect faith in God who is above all needs, who is related to none and is absolutely just.

5. The believer never becomes despondent. He has a firm faith in God Who is Master of all the treasures of the earth and the heavens, Whose grace and bounty have no limit and whose powers are infinite. This faith imparts to his heart extraordinary consolation, fills it with satisfaction and keeps it filled with hope.

6. This belief produces in man a very strong degree of determination, patient perseverance and trust in God. When he makes up his mind and devotes his resources to fulfilling the Divine Commands in order to secure God's Pleasure, he is sure that he has the support and backing of the Lord of the universe.

7. The belief in 'La ilaha illallah' creates an attitude of peace and contentment, purges the mind of jealousy, envy, greed and keeps away the temptations of resorting to base and unfair means for achieving success.

8. The most important effect of 'La ilaha illallah' is that it makes man obey and observe God's Law. One who has belief in it is sure that God knows every thing hidden or open and is nearer to him than his own jugular vein. If he commits a sin in a secluded corner and in the darkness of night. He knows it. He even knows our thoughts and intentions, bad or good. We can hide from everyone, but we cannot hide anything from God.