call no man your father] He striketh at the pride of the Pharisees, who were called, our fathers; a greater title then master, and therefore our Saviour attributes it to his Father, in this verse; and the other to himself, in the next. See more on verse 7, 8.
for one is] Malachi 1:6.
your Father which is in heaven] See chap. 6. 9.