Treasury of Scripture Knowledge
Summary
Neither shalt thou swear by thy head, because thou canst not make one hair white or black.
Shalt
Because
General references
Bible References
Shalt
Matthew 23:16 “Woe to you, blind guides, who say, ‘Whoever swears [an oath] by the sanctuary of the temple, that is nothing (non-binding); but whoever swears [an oath] by the gold of the temple is obligated [as a debtor to fulfill his vow and keep his promise].’
Because
Matthew 6:27 And who of you by worrying can add one hour to [the length of] his life?
Luke 12:25 And which of you by worrying can add one hour to his life’s span?
General references
Luke 12:25 And which of you by worrying can add one hour to his life’s span?