John Calvin's Commentary on the Bible - Luke 3:23
Verse 23 This was also the reason why he delayed his baptism till the thirtieth year of his age, (Luke 3:23.) Baptism was an appendage to the Gospel: and therefore it began at the same time with the preaching of the Gospel. When Christ was preparing to preach the Gospel, he was introduced by Baptism into his office; and at the same time was endued with the Holy Spirit. When John beholds the Holy Spirit descending upon Christ, it is to remind him, that nothing carnal or earthly must be expected... read more
Adam Clarke's Commentary on the Bible - Luke 3:23
Thirty years of age - This was the age required by the law, to which the priests must arrive before they could be installed in their office: see Numbers 4:3 . Being (as was supposed) the son of Joseph - This same phrase is used by Herodotus to signify one who was only reputed to be the son of a particular person: τουτου παις νομιζεται he was Supposed to be this man's son. Much learned labor has been used to reconcile this genealogy with that in St. Matthew, Matthew 1:1-17, and there... read more