Therefore I say unto you, Take no thought for your life, what you shall eat, or what you shall drink; nor yet for your body, what you shall put on. Is not life more than food, and the body than clothing?
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Having now, as you see, in all ways taught the advantage of contemning riches, as well for the very preservation of the riches, as for the pleasure of the soul, and for acquiring self-command, and for the securing of godliness; He proceeds to establish the practicability of this command. For this especially pertains to the best legislation, not only to enjoin what is expedient, but also to make it possible. Therefore He also goes on to say,
Take no thought for your life, what you shall eat.
That is, lest they should say, What then? If we cast all away, how shall we be able to live? At this objection, in what follows, He makes a stand, very seasonably. For as surely as if at the beginning He had said, Take no thought, the word would have seemed burdensome; so surely, now that He has shown the mischief arising out of covetousness, His admonition coming after is made easy to receive. Wherefore neither did He now simply say, Take no thought, but He added the reason, and so enjoined this. After having said, You cannot serve God and mammon, He added, therefore I say unto you, take no thought. Therefore; for what? Because of the unspeakable loss. For the hurt you receive is not in riches only, rather the wound is in the most vital parts, and in that which is the overthrow of your salvation; casting you as it does out from God, who made you, and cares for you, and loves you.
Therefore I say unto you, take no thought. Thus, after He has shown the hurt to be unspeakable, then and not before He makes the commandment stricter; in that He not only bids us cast away what we have, but forbids to take thought even for our necessary food, saying, Take no thought for your soul, what you shall eat. Not because the soul needs food, for it is incorporeal; but He spoke according to the common custom. For though it needs not food, yet can it not endure to remain in the body, except that be fed. And in saying this, He puts it not simply so, but here also He brings up arguments, some from those things which we have already, and some from other examples.
From what we have already, thus saying:
Is not the soul more than meat, and the body more than the raiment?
He therefore that has given the greater, how shall He not give the less? He that has fashioned the flesh that is fed, how shall He not bestow the food? Wherefore neither did He simply say, Take no thought what you shall eat, or wherewithal you shall be clothed; but, for the body, and, for the soul: forasmuch as from them He was to make His demonstrations, carrying on His discourse in the way of comparison. Now the soul He has given once for all, and it abides such as it is; but the body increases every day. Therefore pointing out both these things, the immortality of the one, and the frailty of the other, He subjoins and says,
Which of you can add one cubit unto his stature? Matthew 6:27
Thus, saying no more of the soul, since it receives not increase, He discoursed of the body only; hereby making manifest this point also, that not the food increases it, but the providence of God. Which Paul showing also in other ways, said, So then, neither is he that plants any thing, neither he that waters; but God that gives the increase. 1 Corinthians 3:7