“Do people think that they will be left alone because they say: ‘We believe,’ and will not be tested?” [Qur’an 29:1-3]

The Messenger of Allah (sallallahu alaihi wa-sallam) said: “The people most severely tested are the Prophets, then the righteous, then the next best and the next best. A man will be tested in accordance with the degree of his religious commitment; the stronger his religious commitment, the stronger his test.”[Tuhfat al-Ahwadhi (7:78)]

“Or think you that you will enter Paradise without such (trials) as came to those who passed away before you? They were afflicted with severe poverty and ailments and were so shaken that even the Messenger and those who believed along with him said: ‘When (will come) the help of Allah?’ Yes! Certainly, the help of Allah is near!” [Qur’an 2:214]

And surely We shall try you with something of fear and hunger, and loss of wealth and lives and crops; but give glad tidings to the patient, Who says, when afflicted with calamity: “To Allah We belong, and to Him is our return”: They are those on whom (descend) Blessings from Allah, and Mercy, and they are the ones that receive guidance. [Qur’an 2:155-157]

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (peace and blessings be upon him) said, “He whom Allah intends good, He makes him to suffer from some affliction” [Bukhari]

Abu Yahya Suhaib bin Sinan (May Allah be pleased with him) reported: The Messenger of Allah (peace and blessings be upon him) said, “How wonderful is the case of a believer; there is good for him in everything and this applies only to a believer. If prosperity attends him, he expresses gratitude to Allah and that is good for him; and if adversity befalls him, he endures it patiently and that is good for him” [Muslim]

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (peace and blessings be upon him) said, “A strong believer is better and dearer to Allah than a weak one, and both are good. Adhere to that which is beneficial for you. Keep asking Allah for help and do not refrain from it. (If you are afflicted in any way), do not say: ‘If I had taken this or that step, it would have resulted into such and such,’ but say only: ‘Allah so determined and did as He willed.’ The word ‘if’ opens the gates of satanic (thoughts)” [Muslim]