swear by

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See: trust
References in periodicals archive ?
That is, in order that all nations would recognize, worship, adore, and, after they have left behind their false gods, they would swear by his name, and in that way would declare that they had converted to him.
Indeed, people swear by him who is greater than themselves.
6) The words of Christ in Matthew 23[:16-22] sufficiently declare the error of the Jews, for he says as follows: "Woe to you, you blind leaders, who say, 'Whoever should swear by the temple, it is nothing.