It is narrated from Sayyiduna Ibn Mas'ud (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Soon after me you will see favoritism and matters that you will dislike." The noble companions (may Allah be pleased with them) asked: "O Messenger of Allah (peace and blessings be upon him)! What should the one among us who encounters that time do?" He said: "Fulfill the duties that are obligatory upon you and ask Allah for your rights."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 3640
Hadith Gradingحکم دارالسلام:إسناده صحيح، خ: 7052 ، م : 1843