“Woe to you, scribes and Pharisees, hypocrites! You shut the kingdom of heaven against men. For you neither enter yourselves, nor allow those who are entering to go in.
But above all things, my brothers, do not swear, either by heaven or by the earth or by any other oath. But let your “Yes” be “Yes” and your “No” be “No,” that you do not fall into condemnation.