(2) The anticipation of criticism is a reason that pushes man to pretend to show acts of worship and charity in order to avoid censure.
(3) Greed is a strong incentive urging showiness.
(4) The criminals try to dress themselves with false appearances of piety so as to cover up themselves.
Some Facts
For the purpose of completing this discussion, it is suitable to refer to some facts:
Scholars have had different opinions regarding the preference of the concealment or exposure of the acts of obedience. In abstract, deeds are subject to intentions, and each will be rewarded according to his intention. Thus, there is no difference between concealed or open showiness. Likewise, the semi-showiness does not differ, whether it is hidden or shown. In definite situations, it is preferable for those who cannot stand their showiness, because of its intense incentives in their inner selves, to conceal it. On the other hand, if one's deed is purified from blemishes of showiness and intended for a good purpose, such as enjoining charity, it is, in this case, preferable to show the appearances of piety.
In case sincerity is heartily intended in the acts of worship, it is inoffensive to show people such appearances and to be pleased by them provided that the source of such pleasure is the expectation of God's favor.
Once, Imam al-Baqir (a) was asked whether it is acceptable to be pleased by showing one's good deeds before others. He answered: "This is not unacceptable. As a matter of fact, every single individual likes that Allah reveals his good deeds before others provided that such good deeds are not intended for showing off."
Since the Devil uses all trickeries for inducing people so as to prevent them from going on in the plans of