What Does Matthew 5:36 Mean?

Nor shall you swear by your head, for you cannot make one hair white or black.
Matthew 5:36 · SDV
Key words are shown with the Hebrew or Greek and what each word meant.

Selah Decoded Version The Selah Decoded Version renders what the Hebrew and Greek words meant to the people who first heard them.

This verse in the King James

King James wording
Neither shalt thou swear by thy head, because thou canst not make one hair white or black.

The head you swear by cannot certify your promise, because even one hair’s color is beyond your command.

Your body is not something whose future you can guarantee. Even a hair’s color lies outside your power, so swearing by your head cannot add certainty to what you say.

WHAT THIS UNDOES

It undoes the belief that invoking your own body makes a promise more secure: you do not command the body you invoke.

δύνασαι

dýnasai

GROWS FROM

δυνα-

dyna-

to be able; to have power

“canst” in this verse is dýnasai. The verse locates the limit in ability: you cannot dictate even a hair’s color, so an oath cannot make your body a guarantee. The same stem names ability and power, revealing the gap between speaking with certainty and possessing control.

ALSO GROWS

dýnamis: power, capacity

δύναμις

This noun names the power the verse shows you do not have over your hair’s color.

dynatos: able, capable

δυνατός

This adjective names capability; the verse makes its absence concrete in the color of one hair.

Human speech cannot secure what human power cannot control.

Do not praise yourself over tomorrow, for you do not know what the day will bear.
Proverbs 27:1 · SDVThe verse places tomorrow beyond the certainty a person might claim in speech.
No one has power over the breath to hold in the breath, and no one has power in the day of death. There is no sending away in the war, and wickedness does not slip its owners free.
Ecclesiastes 8:8 · SDVThe limits of human power extend even to holding on to life in the face of death.
You do not know what tomorrow holds. For what is your life? You are a mist, showing itself for a little while, and then made unseen.
James 4:14 · SDVA life that passes like vapor cannot be made certain by speaking as though tomorrow were under one’s control.
And which of you, by being pulled apart, can add one forearm's length to his stature?
Luke 12:25 · SDV

Both verses use the same Greek verb for being able: Matthew applies it to changing one hair’s color, while Luke applies it to adding a cubit to one’s stature. Each makes the body a concrete measure of what a person cannot command.

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Matthew 5:36 Meaning