"By Allah, if a single person is guided by Allah through you, it will be better for you than a whole lot of red camels."
Related by Bukhari and Muslim. Riyad-us-Saliheen (Hadith # 1379)
The Hadith (الحديث, pl. Ahadith) is a body of laws, legends and stories about Muhammad's way of life, (Arabic, Sunnah which includes his biography or the sira) and the sayings themselves where he elaborated on his choices or offered advice; many parts of the Hadith deal with his companions (Sahaba).