Al Anbia 21:35 “ We shall make trial for you with evil and with good and to us you shall return.”
Al Baqarah 2:214 “ Do you think that you shall enter Paradise without such (trials) as came to those who passed away before you? They were afflicted with severe poverty, ailments and were so shaken that even the Messenger and the believers with him said,’ When shall Allah’s Help arrive?’. Yes certainly, the Help of Allah is near.”
Severity of the Trial varies with the level of Iman
Al Baqarah 2:155 “ And certainly we shall test you with some of fear, hunger, loss of wealth, lives and fruits but give glad tidings to the patients.”
Al Imran 3: 186 “ You shall be certainly tested in your wealth and properties in your person and you shall certainly hear much from people of the book and the polytheist which will grieve you.
Al Fajr 89:15 “As for man, when his Lord tries him by giving him honor and bounties, then he says,’ My Lord has honored me.’ But when he tries him by limiting his sustenance, he says,’ My Lord has humiliated me.’
Al Maarij 70:19,20,21 “ Verily, man was created very impatient. Discontented when evil touches him. And miserly when good touches him.
Increasing the strength of faith and resolve in difficult circumstances.
Increasing the rewards and place in Jannah.
Forgiveness of sins.
Differentiation between true believers and the hypocrites. Al Imran 3:166-167” And what you suffered on the day(Uhad) the two armies met was by the leave of Allah in order that he might test the believers. And that He might test the hypocrites “
Truth to prevail and the falsehood to be defeated.
Al Isra 17;81 “Say truth has come and falsehood has vanished. Surely falsehood is bound to vanish.”
Al Imran 3:178 “ And let not the disbelievers think that our granting them time ( in life) is good for them. We do this so that they may increase in sinfulness and for them is a disgraceful punishment.”
Al Qalam 64:44,45:” Then leave me alone with those who deny this (Quran). We shall punish them gradually from direction they do not perceive. I shall grant them time. My plan is strong.”