Here are some positive Islamic affirmations from the Holy Quran.
“And your Lord said, ‘Call on Me, I will respond to you.’” (Holy Quran 40:60)
“A human being can have nothing but what he strives for.” (53:39)
“And they have been commanded no more than this: To worship Allah, offering Him sincere devotion, being true (in faith); to establish regular prayer; and to practice regular charity; and that is the Religion, Right and Straight.” (98:5)
“I created not the jinn and mankind except that they should worship Me.” (51:56)
“My servants, you who have transgressed against yourselves, do not despair of the mercy of Allah. Truly Allah forgives all wrong actions. He is the Ever-Forgiving, the Most Merciful.” (39:53)
“It is You we worship, and You we ask for help.” (1:5)
Allah and His angels send blessings on the Prophet: O you who believe! Send you blessings on him, and salute him with all respect. (33:56)
“Remember your Lord morning and evening, deep in your heart with humility and with fear; and also in a low voice; do not be of those who are heedless.” (7:205)
“…Surely Allah does not change the conditions in which a people are in until they change that which is in themselves… (13:11).”
“You shall certainly be tried and tested in your possessions and in your personal selves, and you shall certainly hear much that will grieve you from those who received the Book before you and from those who worship many gods. But if you persevere patiently and guard against evil then that will be a determining factor in all affairs.” (3:186)
“…Remember Me. I will remember you. Be grateful to Me and never show me ingratitude.” (2:152)
“If you give thanks, I will give you more…” (14:7)
“It is He Who has created you from dust; then from a sperm-drop; then from a leech-like clot; then does he get you out as a child; then lets you (grow and) reach your age of full strength; then lets you become old–though of you there are some who die before–and lets you reach a Term appointed; in order that you may use your reason. (40:67)
“…If you count the blessings of Allah, never will you be able to number them…” (14:34)
“Nay, seek (Allah’s) help with patience and prayer: and most surely it is a hard thing except for the humble ones.” (2:45)
“And obey Allah and His Messenger and do not quarrel, for then you will be weak in hearts and your power will depart, and be patient; surely Allah is with the patient.” (8:46)
“Allah does not want difficulty for you, but He wants to purify you, and to complete His favor upon you, that you may be grateful.” (end of verse 5:6)
“So as for he who transgressed, and preferred the life of this world, then indeed hellfire will be his refuge.” (79: 37-39)
“Who is better in speech than the one who summons people unto God, and performed a good deed and says, ‘Truly I am of the believers.’” (41:33)
Source: Quranacademy