Adam Clarke on John 4:27

Came his disciples - From the town, whither they went to buy food, Joh 4:8.

Marveled that he talked with the woman - Because it was contrary to the custom of the eastern countries; and there are many canons, among the rabbins, against it. To the present time, if a man meet even his own wife in the street, he does not speak to her; and this is done to keep up the appearance of a chastity and temperance of which the eastern world knows nothing. They might wonder how a Samaritan, in whom they could expect no spirituality, could listen to the conversation of their Master, who never spake but about heavenly things.

Yet no man said, etc. - They were awed by his majesty, and knew that he must have sufficient reasons to induce him to act a part to which he was not at all accustomed. A great man has said, "Converse sparingly, if at all, with women; and never alone." Every minister of the Gospel will do well to attend to this advice.