For there are many unruly and vain talkers and deceivers, especially they of the circumcision:
All Commentaries on Titus 1:10 Go To Titus 1
George Leo Haydock
AD 1849
For there are also many. St. Paul here alludes principally to the Jews, who were of the circumcision, from whom St. Paul suffered much during the greater part of his life. They constantly enforced the necessity of the new converted Gentiles observing the law of Moses, and of their being circumcised, if they wished to be saved. There were many Jews of this description in Crete; to resist whom, St. Paul here tells Titus he ought to appoint bishops remarkable for their zeal and learning. (Josephus; Socrates, lib. ii. chap. 38. Hist. Eccles.)
Especially they who are of the circumcision; which shows who were chiefly the false teachers. (Witham)