Original: They are to eat any food offered, heal the sick and spread the word that God's reign is coming, that whoever hears them hears Jesus, whoever rejects them rejects Jesus, and whoever rejects Jesus rejects the One who sent him.
Simplified: They are to eat any food offered, heal the sick and spread the word; that God's reign is coming, that whoever hears them hears Jesus, whoever rejects them rejects Jesus and whoever rejects Jesus rejects the One who sent him.