Parallel
Luke 12:26
Nestle 1904 Greek New Testament · Berean Standard Bible
εἰ οὖν οὐδὲ ἐλάχιστον δύνασθε τί περὶ τῶν λοιπῶν μεριμνᾶτε
So if you cannot do such a small thing, why do you worry about the rest?