About praying...
About praying, Allah says: " Call You to Me, I will answer you' (the Qur'an, 4:60). About forgiveness Allah says: 'And whoever does evil, or wrongs his own self and thereafter seeks the pardon of Allah shall find Allah Oft-Forgiving, Merciful' (the Qur'an, 4:110). About gratefulness He says: 'If you be grateful, I will increase (My favours) to you' (the Qur'an, 14:7).
About repentance He says: 'Verily, repentance (acceptable) with Allah is only for those who do evil ignorantly and then turn (to Allah) soon (after); these (are those whom) Allah will turn (mercifully) to; and Allah is All-Knowing, All-Wise (the Qur'an, 4:17). Imam as-Sadiq (‘a) said: "On the Reckoning Day, Allah will count the invocations of believers as some good actions for them and thereby He will promote their position in Heaven." Bihar-ul-Anwar, vol. 78, p.
216 Imam as-Sadiq (‘a) said: "Treat your ailments with charity and repel varieties of affliction by invocation." At-Tahthib, vol. 4, p.112 Imam as-Sadiq (‘a) said: "Ask (Allah) for your requisite and insist on demanding because Allah likes the persistence of the insisting believers of His servants." Wasa'il-ush-Shi'ah,voI. 7, p. 60 Imam as-Sadiq (‘a) said: "I recommend you to invocation, because you can not get nigh to Allah by any means like it." Al-Kafi, vol. 2, p.
467 Imam Amir ul Mu'mineen ‘Ali (‘a) said: "It may happen that you ask (Allah) for something and He does not give it to you in order to endow you with (something) of better quality (later)." Ghurar-ul-Hikam, p.185 Previous…