Luke 12:26

and if you cannot manage even this, why trouble over other things?

Luke 12:29

So do not seek food and drink and be worried;

1 Peter 5:7

let all your anxieties fall upon him, for his interest is in you.

Treasury of Scripture Knowledge

Summary

If ye then be not able to do that thing which is least, why take ye thought for the rest?

Bible References

Why

Luke 12:29
So do not seek food and drink and be worried;
1 Peter 5:7
let all your anxieties fall upon him, for his interest is in you.