Matthew 13:56

“And his sisters, etc.] Whose names, according to Epiphanius f823, were Mary and Salome; whom he supposes were the daughters of Joseph, by a former wife; but rather of Alphaeus or Cleophas. Are they not all with us? Lived in the same town with them, were well known by them, and familiar with them. Whence then hath this man all these things? His wisdom and his mighty works; for since he had not them from any of their schools, and nurseries of learning, from their learned doctors and wise men; and could not have received them from his parents, and near relations, they could not devise from whence he should have them.”

“And his sisters, are they not all with us? Whence then hath this man all these things? An exceedingly difficult question here arises--What were these "brethren" and "sisters" to Jesus? Were they, First, His full brothers and sisters? or, Secondly, Were they His step-brothers and step-sisters, children of Joseph by a former marriage? or, Thirdly, Were they cousins, according to a common way of speaking among the Jews respecting persons of collateral descent? On this subject an immense deal has been written, nor are opinions yet by any means agreed. For the second opinion there is no ground but a vague tradition, arising probably from the wish for some such explanation. The first opinion…”

“Is not this the carpenter’s son? - Mark says, “Is not this the carpenter, the son of Mary?” Both these expressions would probably be used in the course of the conversation, and Matthew has recorded one and Mark the other. The expression recorded by Mark is a strong, perhaps decisive proof that he had himself worked at the business until he was 30 years of age. The people in the neighborhood would understand well the nature of his early employments. It is therefore almost certain that this had been his manner of life. A useful employment is always honorable. Idleness is the parent of mischief. Our Saviour, therefore, spent the greatest part of his life in honest, useful industry. Until the…”