Giving Advice Requires Knowledge and Foresight

Question :

A questioner asks: Sometimes when I give advice to people who I see committing an error, I am overcome with the feeling that I will one day be like them, for there is a saying that goes, "Don't find fault with your brother, so that Allâh Almighty will cure him and afflict you."

Answer:

This feeling you describe is from the plots of Shaytan, so that he can wear out your will to give good advice. Fear Allâh Almighty, don't obey His enemy, and continue advising those you find speaking and acting contrary to the pure Shari'ah, with knowledge and foresight, for Allâh Almighty says:
"Say (O Muhammad): This is my way; I invite unto Allah with sure knowledge, I and whosoever follows me."

He also said:
"Invite to the way of your Lord with wisdom and fair preaching, and argue with them in a way that is better."

And:
"The believers, men and women, are Awliya' (helpers, supporters, friends, protectors) of one another; they enjoin Al-Ma'ruf (i.e.. Islamic Monotheism and all that Islam orders one to do), and forbid (people) from Al-Munkar (i.c., polytheism and disbelief of all kinds, and all that Islam has forbidden); they perform the prayer, and give the Zakah, and obey Allâh and His Messenger. Allah will have His Mercy on them. Surely Allah is All-Mighty, All-Wise."

I ask Allah Almighty to guide us, to make us steadfast upon the truth, and to protect us from the whispers of Shaytan; He is the Best to ask.

Source:
Ibn Baz
Fatawa Islamiyah, Vol. 8 Pages 60-61