en_tn_lite_do_not_use/mat/06/27.md

Which one of you by being anxious can add one cubit to his lifespan?

This question can be translated as a statement. Alternate translation: "None of you can add a cubit to your lifespan by worrying." or "Worrying will not help any of you make your life even one hour longer."

one cubit

A cubit, a measure of a little less than half a meter, is used here to refer to a short period of time. Alternate translation: "one hour" or "one minute"