Trials and tribulation are like feeling the heat and cold, when one knows that they cannot be avoided, he will not feel anger at their onset, nor will he be distressed or disheartened.

—Ibn Taymiyyah [d. 728H/1328CE]

(Read on pg 27, Ibn Taymiyyah, Disease of the Hearts and Their Cures. Daar us-Sunnah Publishers. UK: 2006.)