Musnad Abu Ya'la al-Mawsili 155:25

Narrated to us Surayj ibn Yunus, narrated to us Abu Mu'awiyah, from Abu Raja' al-Jazari, from Yazid ibn Sinan (or Burdah), from Wathilah ibn al-Asqa', from Abu Hurayrah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "O Abu Hurayrah, be pious, you will be a worshipper. Avoid the forbidden things, you will be an ascetic. Be a good neighbor to those who neighbor you, you will be a Muslim. And love for the people what you love for yourself, you will be a believer."