Matthew 5:36

Revised Standard Version (RSV-CI)

And do not swear by your head, for you cannot make one hair white or black.

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or by the earth, for it is his footstool, or by Jerusalem, for it is the city of the great King.

Let what you say be simply ‘Yes’ or ‘No’; anything more than this comes from evil.

And which of you by being anxious can add one cubit to his span of life?

And which of you by being anxious can add a cubit to his span of life?