“And seek not you what you shall eat, and what you shall drink, neither be you of doubtful mind, for all these things do the nations of the world seek after, but your Father knows that you have need of these things.”
The conclusion is therefore that as everything is transient we should not be worried about the daily provisions for our lives. They are of little worth except for survival. And while those are the things that the nations of the world seek after, that is because they have no Father Who watches over them. On the other hand, those who are His do have a Father Who watches over them, and Who knows that they have need of such things. They are therefore to trust Him for them and not let their minds be filled with doubts and worries about their provision, or be taken up with anxiety about such things.
‘The nations of the world.' This is a typical Jewish description of the world. But here Jesus has included within it the unbelieving Jews. They are now no longer to be seen as God's holy people. They are now simply a part of the world unless they join the new, true Israel by following Him.