Theophylact of Bulgaria
This our Lord says to rebuke the motives of the covetous, who seem to heap up riches as if they were going to live for a long time. But will wealth ever make thee long lived? Why then dost thou manifestly undergo evils for the sake of an uncertain rest? For it is doubtful whether thou oughtest to attain to an old age, for the sake of which thou art collecting treasures.
As these two brothers were contending concerning the division of their paternal inheritance, it follows, that one meant to defraud the other; but our Lord teaches us that we ought not to be set on earthly things, and rebukes him that called Him to the division of inheritance; as it follows, And he said unto him, Man, who made me a judge or a divider over you?