Qais (may Allah have mercy on him) says that once we went to Hazrat Abu Hurairah (may Allah be pleased with him) to greet him and requested him to narrate a hadith of the Noble Prophet (peace and blessings be upon him). Hazrat Abu Hurairah (may Allah be pleased with him) said: I remained in the company of the Noble Prophet (peace and blessings be upon him) for three years. Among the group of companions, during those three years, there was no one more passionate about memorizing hadith than me. I heard the Prophet (peace and blessings be upon him) say: Near the Day of Judgment, you will fight against a people whose shoes will be made of hair, and you will fight against a people whose eyes will be small and faces red, and it will seem as if their faces are like flat shields.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 10150