Allah's Name 'Ar-Razzaq' (The All-Provider): 

Allah's Beautiful Name 'Ar-Razzaq' is mentioned in the following Noble Ayah in which Allah the Almighty says:

(Verily, Allah is the All-Provider, Owner of Power, the Most Strong.)

[Adh-Dhariyat, 58] 

In Arabic, 'Ar-Razzaq' is an exaggeration formula that is stronger in meaning than 'Raziq' which is a word that describes the doer of the verb 'Razaqa' (to provide with the means of sustenance). This means Allah the Almighty bestows His Sustenance upon all creatures on earth no matter how innumerable they are. Also, it means He bestows abundant means of subsistence and provides unlimited sustenance for whoever He wills.Actually, there are two kinds of Rizq (sustenance): the first kind nourishes the body, such as food and drink, and the other one nourishes the soul, which is getting to know Allah the Almighty and drawing closer to him. Allah, Glorified and Exalted be He, says: 

(And when he attained his full strength, and was perfect (in manhood), We bestowed on him Hukman (Prophethood, right judgement of the affairs) and religious knowledge [of the religion of his forefathers i.e. Islamic Monotheism]. And thus do We reward the Muhsinun (i.e. good doers).) 

[Al-Qasas, 14] 

Thus, this is the most sublime kind of sustenance.

Performing Salah is one of the means of increasing provision:

One of the ways to increase your sustenance is to perform Salah (prayers). Allah, Glorified and Exalted be He, says:

(And enjoin As-Salat (the prayer) on your family, and be patient in offering them [i.e. the Salat (prayers)]. We ask not of you a provision (i.e. to give Us something: money, etc.); We provide for you. And the good end (i.e. Paradise) is for the Muttaqun (pious).)

[Ta-Ha, 132] 

Allah the Almighty guarantees us our provisions, and He commands us to perform good deeds which will avail us in the Hereafter (which means our main concern should be the performance of righteous deeds, not our subsistence, since it is guaranteed by Allah the Almighty). He says: 

(And in the heaven is your provision, and that which you are promised.)

[Adh-Dhariyat, 22] 

In this Noble Ayah and in other similar ones, Allah the Almighty reassures us that He has guaranteed us our sustenance. Nevertheless, some people forsake their faith for trivial worldly pleasures and earn their livelihood through illegal ways.

Keep in mind, when you deeply believe that Allah the Almighty is the All-Provider, the Owner of Power, and the Most Strong, you will seek your sustenance from Him Alone, while those who seek their provision from other than Him will gain nothing (since they have no power to increase or decrease it). Thus, when one seeks subsistence from Allah the Almighty Alone, he will feel a deep sense of pride, dignity and tranquility. Furthermore, he will feel that he has a special status in the Sight of Allah the Almighty (i.e. he will feel that Allah cares about him and loves him). On the other hand, when Allah the Almighty restricts one's provision, this never happens due to deficiency or shortage of provision, but rather it is a disciplining punishment (because of his sins), because Allah the Almighty makes everything happen for a reason. He says:

(And there is not a thing, but with Us are the stores thereof. And We send it not down except in a known measure. )

[Al-Hijr, 21]

 The Prophet, may Allah's Peace and Blessings be upon him, said:

(A man is deprived of provision because of the sins that he commits.)

[Ibn Majah] 

Also, Allah the Almighty says:

(And if Allah were to enlarge the provision for His slaves, they would surely rebel in the earth, but He sends down by measure as He wills. Verily! He is in respect of His slaves, the Well-Aware, the All-Seer (of things that benefit them).")

[Ash-Shura, 27] 

During the sacred month of Ramadan, Allah's Name 'Ar-Razzaq' is manifested spiritually; in the sense of tranquility and delight we feel when we invoke Allah the Almighty at Sahar time (the last hours of the night), or when we perform Taraweeh prayer (the supererogatory night prayers that is performed only during the month of Ramadan), etc. Also, it is manifested physically at Iftar (the fast-breaking meal); when we eat of what Allah the Almighty has provided us with to strengthen our body.