That he was sold (as a slave) by one master to another for more than ten times (i.e between 13 and 19).  

أَنَّهُ تَدَاوَلَهُ بِضْعَةَ عَشَرَ مِنْ رَبٍّ إِلَى رَبٍّ  

I am from Ram-Hurmuz (i.e. a Persian town).  

سَمِعْتُ سَلْمَانَ ؓ يَقُولُ أَنَا مِنْ رَامَ هُرْمُزَ  

The interval between Jesus and Muhammad was six hundred years.  

فَتْرَةٌ بَيْنَ عِيسَى وَمُحَمَّدٍ ﷺ سِتُّمِائَةِ سَنَةٍ