It is narrated from Hazrat Buraidah (may Allah be pleased with him) that once the Holy Prophet (peace and blessings be upon him) called Hazrat Bilal (may Allah be pleased with him) and asked him, "Bilal! How did you precede me in Paradise? Whenever I entered Paradise, I heard your footsteps ahead of me. Just last night, when I entered Paradise, I again heard your footsteps. Then I reached in front of a lofty palace made of gold and asked the people, 'Whose palace is this?' They replied, 'It belongs to an Arab man.' I said, 'I am also an Arab, whose palace is this?' They replied, 'It belongs to a Muslim man from the Ummah of Muhammad (peace and blessings be upon him).' I said, 'I am myself Muhammad (peace and blessings be upon him), whose palace is this?' They replied, 'It is Umar bin Khattab's.' The Holy Prophet (peace and blessings be upon him) said, 'Umar! If I had not considered your sense of honor, I would have surely entered that palace.' He (Umar) submitted, 'O Messenger of Allah! Would I ever show honor in front of you?' Then the Holy Prophet (peace and blessings be upon him) asked Hazrat Bilal (may Allah be pleased with him), 'How did you precede me in Paradise?' He replied, 'Whenever I became impure (lost ablution), I would perform ablution and offer two rak'ahs (units of prayer).' The Holy Prophet (peace and blessings be upon him) said, 'That is the reason for it.'