Abud-Darda' (May Allah be pleased with him) said: The Prophet Muhammad (Sallallahu Alaihy Wasallam) said, "He who defends the honour of his (Muslim)brother, Allah will secure his face against the Fire on the Day of Resurrection.''
[At-Tirmidhi].
"The people who love the life of this world have left it without tasting the best thing therein." He was asked: "What is that?" He answered: "Knowledge of the All-Mighty Allah.
Hazrat Malik Ibn Dinar Rahmatullah Alaihy