[What is] astonishing is that a person knows his Lord, yet disobeys Him, …and knows Shaytaan, yet obeys him!
If you see a person upon truth, and another upon falsehood, then you must aid the truth and warn against the falsehood, otherwise [it is as if] you are dead; you do not know [that which is] good and do not detest [that which is] evil.
When Ibn Qudaamah would hear of any evil [taking place], he would strive to prevent it from happening again.
If Allaah intends evil for the people [due to their wicked character], He opens for them [the door to] argumentation and denies them [righteous] action[s].
What is the ruling if you say to a man or a woman that, “What you are doing is haraam”, such as telling a woman not to wear short clothes, or telling a man not to smoke cigarette?