Sunan At-Tirmidhi

Zaid bin Uthai said:XI asked Ali: ""What is it that you were sent with?"" He said: ""With four things: None will be admitted into Paradise except for the soul that is a Muslim. None is to perform Tawaf around the House while naked. The Muslims and the idolaters will not be gathering (in Makkah) together after this year. And for whomever there is a covenant between him and the Prophet, then his covenant is (valid) until its term, and for that in which there was no term, then it shall be four months